diff --git a/alternatives/msdesc.dtd b/alternatives/msdesc.dtd
index 2e1f8f3..f83c3ac 100644
--- a/alternatives/msdesc.dtd
+++ b/alternatives/msdesc.dtd
@@ -1,6 +1,6 @@
 
 <!--
-DTD generated from ODD source 2019-02-15T15:45:11Z. .[https://creativecommons.org/licenses/by/4.0/] Creative Commons Attribution 4.0 International
+DTD generated from ODD source 2019-04-12T16:59:12Z. .[https://creativecommons.org/licenses/by/4.0/] Creative Commons Attribution 4.0 International
 TEI Edition: Version 3.5.0. Last updated on
 	29th January 2019, revision 3c0c64ec4
 TEI Edition Location: http://www.tei-c.org/Vault/P5/Version 3.5.0/
@@ -2201,7 +2201,7 @@ reason CDATA  #IMPLIED >
 <!ATTLIST supportDesc xmlns CDATA "http://www.tei-c.org/ns/1.0">
 <!ATTLIST supportDesc
  %att.global.attributes;
-material %teidata.enumerated;  #IMPLIED >
+material %teidata.word;  #REQUIRED >
 <!--doc:defines a written surface as a two-dimensional coordinate space, optionally grouping one or more graphic representations of that space, zones of interest within that space, and transcriptions of the writing within them. [11.1. Digital Facsimiles 11.2.2. Embedded Transcription] -->
 <!ELEMENT surface (((%model.global;|%model.labelLike;|%model.graphicLike;)*,((zone|line|path|surface|surfaceGrp),(%model.global;)*)*))>
 <!ATTLIST surface xmlns CDATA "http://www.tei-c.org/ns/1.0">
diff --git a/alternatives/msdesc.xsd b/alternatives/msdesc.xsd
index 9d9dd3c..587ad14 100644
--- a/alternatives/msdesc.xsd
+++ b/alternatives/msdesc.xsd
@@ -4,7 +4,7 @@
   <xs:import namespace="http://www.w3.org/2001/XInclude" schemaLocation="xinclude.xsd"/>
   <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>
   <!--
-    Schema generated from ODD source 2019-02-15T15:43:28Z. .
+    Schema generated from ODD source 2019-04-12T16:59:47Z. .
     TEI Edition: Version 3.5.0. Last updated on
     	29th January 2019, revision 3c0c64ec4
     TEI Edition Location: http://www.tei-c.org/Vault/P5/Version 3.5.0/
@@ -5978,27 +5978,45 @@ Suggested values include: 1] binding; 2] folia; 3] leaf; 4] line-height; 5] rule
         </xs:sequence>
       </xs:choice>
       <xs:attributeGroup ref="tei:att.global.attributes"/>
-      <xs:attribute name="material">
+      <xs:attribute name="material" use="required">
         <xs:annotation>
-          <xs:documentation>a short project-defined name for the material composing the majority of the support
-Suggested values include: 1] paper; 2] parch (parchment) ; 3] mixed</xs:documentation>
+          <xs:documentation>The material composing the majority of the support
+Suggested values include: 1] perg; 2] chart; 3] papyrus; 4] palm; 5] mixed; 6] other; 7] unknown</xs:documentation>
         </xs:annotation>
         <xs:simpleType>
           <xs:union>
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="paper">
+                <xs:enumeration value="perg">
                   <xs:annotation>
-                    <xs:documentation/>
+                    <xs:documentation>The object is composed of parchment or vellum</xs:documentation>
+                  </xs:annotation>
+                </xs:enumeration>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="chart">
+                  <xs:annotation>
+                    <xs:documentation>The object is composed of any kind of paper. Give more details, if any, in a child support element.</xs:documentation>
+                  </xs:annotation>
+                </xs:enumeration>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="papyrus">
+                  <xs:annotation>
+                    <xs:documentation>The object is composed of papyrus.</xs:documentation>
                   </xs:annotation>
                 </xs:enumeration>
               </xs:restriction>
             </xs:simpleType>
             <xs:simpleType>
               <xs:restriction base="xs:token">
-                <xs:enumeration value="parch">
+                <xs:enumeration value="palm">
                   <xs:annotation>
-                    <xs:documentation>(parchment) </xs:documentation>
+                    <xs:documentation>The object is composed of palm leaves.</xs:documentation>
                   </xs:annotation>
                 </xs:enumeration>
               </xs:restriction>
@@ -6007,7 +6025,25 @@ Suggested values include: 1] paper; 2] parch (parchment) ; 3] mixed</xs:document
               <xs:restriction base="xs:token">
                 <xs:enumeration value="mixed">
                   <xs:annotation>
-                    <xs:documentation/>
+                    <xs:documentation>The object is composed of a combination of paper and parchment. The nature of the combination should be specified in the support element.</xs:documentation>
+                  </xs:annotation>
+                </xs:enumeration>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="other">
+                  <xs:annotation>
+                    <xs:documentation>The object is composed of another material (e.g. wood).</xs:documentation>
+                  </xs:annotation>
+                </xs:enumeration>
+              </xs:restriction>
+            </xs:simpleType>
+            <xs:simpleType>
+              <xs:restriction base="xs:token">
+                <xs:enumeration value="unknown">
+                  <xs:annotation>
+                    <xs:documentation>The material of which is object is composed is not known.</xs:documentation>
                   </xs:annotation>
                 </xs:enumeration>
               </xs:restriction>
@@ -6134,7 +6170,7 @@ Suggested values include: 1] paper; 2] parch (parchment) ; 3] mixed</xs:document
           <xs:attribute name="rulingMedium">
             <xs:annotation>
               <xs:documentation>Specifies the medium used to carry out the ruling. Note: This is a customization which is not currently part of the TEI P5 standard.
-Suggested values include: 1] ink; 2] leadpoint; 3] hardpoint; 4] crayon; 5] board</xs:documentation>
+Suggested values include: 1] ink; 2] leadpoint; 3] hardpoint; 4] crayon; 5] mixed; 6] board</xs:documentation>
             </xs:annotation>
             <xs:simpleType>
               <xs:union>
@@ -6174,6 +6210,15 @@ Suggested values include: 1] ink; 2] leadpoint; 3] hardpoint; 4] crayon; 5] boar
                     </xs:enumeration>
                   </xs:restriction>
                 </xs:simpleType>
+                <xs:simpleType>
+                  <xs:restriction base="xs:token">
+                    <xs:enumeration value="mixed">
+                      <xs:annotation>
+                        <xs:documentation>The ruling is carried out using several methods.</xs:documentation>
+                      </xs:annotation>
+                    </xs:enumeration>
+                  </xs:restriction>
+                </xs:simpleType>
                 <xs:simpleType>
                   <xs:restriction base="xs:token">
                     <xs:enumeration value="board">
diff --git a/msdesc.rng b/msdesc.rng
index f938fbf..065758b 100644
--- a/msdesc.rng
+++ b/msdesc.rng
@@ -5,7 +5,7 @@
          xmlns:teix="http://www.tei-c.org/ns/Examples"
          datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes"
          ns="http://www.tei-c.org/ns/1.0"><!--
-Schema generated from ODD source 2019-02-15T15:31:03Z. .
+Schema generated from ODD source 2019-04-12T16:57:50Z. .
 TEI Edition: Version 3.5.0. Last updated on
 	29th January 2019, revision 3c0c64ec4
 TEI Edition Location: http://www.tei-c.org/Vault/P5/Version 3.5.0/
@@ -4143,11 +4143,11 @@ relatedItem element must be empty</sch:report>
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:msContents">
-               <sch:assert role="warn" test="descendant::tei:textLang">
-                                        A manuscript should have one or more languages recorded in a textLang element. 
-                                        For manuscripts with no linguistic content use code 'zxx'. If the language is 
-                                        undetermined use the code 'und'.
-                                    </sch:assert>
+               <sch:assert role="warn" test="descendant::tei:textLang"> A
+                                        manuscript should have one or more languages recorded in a
+                                        textLang element. For manuscripts with no linguistic content
+                                        use code 'zxx'. If the language is undetermined use the code
+                                        'und'. </sch:assert>
             </sch:rule>
          </pattern>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
@@ -4156,11 +4156,10 @@ relatedItem element must be empty</sch:report>
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:textLang">
                <sch:assert role="error"
-                           test="@mainLang and string-length(normalize-space(string())) gt 0">
-                                        The predominant language must be recorded in using a code in a mainLang attribute 
-                                        (and an otherLang attribute if there are other languages) and described as text 
-                                        within the textLang element.
-                                    </sch:assert>
+                           test="@mainLang and string-length(normalize-space(string())) gt 0"> The predominant language must be recorded in
+                                        using a code in a mainLang attribute (and an otherLang
+                                        attribute if there are other languages) and described as
+                                        text within the textLang element. </sch:assert>
             </sch:rule>
          </pattern>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
@@ -4169,10 +4168,11 @@ relatedItem element must be empty</sch:report>
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:textLang/@mainLang | //tei:textLang/@otherLangs | //@xml:lang">
                <sch:assert role="error"
-                           test="every $code in tokenize(., ' ') satisfies matches($code, '^[a-z]{2,3}(-|$)')">
-                                        Codes in <sch:value-of select="name(.)"/> attributes must conform to BCP 47 
-                                        (https://tools.ietf.org/html/bcp47), starting with an ISO 639 code for the language, 
-                                        then optionally further codes for the script (ISO 15924), region, transliteration, etc.
+                           test="every $code in tokenize(., ' ') satisfies matches($code, '^[a-z]{2,3}(-|$)')"> Codes in <sch:value-of select="name(.)"/>
+                                        attributes must conform to BCP 47
+                                        (https://tools.ietf.org/html/bcp47), starting with an ISO
+                                        639 code for the language, then optionally further codes for
+                                        the script (ISO 15924), region, transliteration, etc.
                                     </sch:assert>
             </sch:rule>
          </pattern>
@@ -4946,29 +4946,6 @@ Suggested values include: 1] ISBN; 2] ISSN; 3] DOI; 4] URI; 5] VIAF; 6] ESTC; 7]
                </group>
             </choice>
          </group>
-         <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-msDesc-msDesc-xmlid-constraint-rule-17">
-            <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
-                      xmlns:sch="http://purl.oclc.org/dsdl/schematron"
-                      context="/tei:TEI[not(contains(base-uri(.), 'genizah-mss'))]">
-               <sch:assert role="fatal" test="matches(@xml:id, '^manuscript_\d+$')">
-                                        The root TEI element must have an @xml:id beginning with
-                                        "manuscript_" then a number (which must be unique across the
-                                        entire collection).
-                                    </sch:assert>
-            </sch:rule>
-         </pattern>
-         <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-msDesc-msDesc-xmlid-constraint-rule-18">
-            <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
-                      xmlns:sch="http://purl.oclc.org/dsdl/schematron"
-                      context="/tei:TEI[contains(base-uri(.), 'genizah-mss')]">
-               <sch:assert role="fatal" test="matches(@xml:id, '^volume_\d+$')">
-                                        The root TEI element must have an @xml:id beginning with "volume_" 
-                                        then a number (which must be unique across the entire collection).
-                                    </sch:assert>
-            </sch:rule>
-         </pattern>
          <ref name="att.global.attributes"/>
          <ref name="att.sortable.attributes"/>
          <ref name="att.typed.attributes"/>
@@ -4982,7 +4959,7 @@ Suggested values include: 1] ISBN; 2] ISSN; 3] DOI; 4] URI; 5] VIAF; 6] ESTC; 7]
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">describes the system used to ensure correct ordering of the quires or similar making up a codex, incunable, or other object typically by means of annotations at the foot of the page. [10.3.7. Catchwords, Signatures, Secundo Folio]</a:documentation>
          <ref name="macro.phraseSeq"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-catchwords-catchword_in_msDesc-constraint-assert-17">
+                  id="msdesc-catchwords-catchword_in_msDesc-constraint-assert-15">
             <rule context="tei:catchwords">
                <sch:assert xmlns:rng="http://relaxng.org/ns/structure/1.0"
                            xmlns="http://www.tei-c.org/ns/1.0"
@@ -5003,6 +4980,16 @@ Suggested values include: 1] ISBN; 2] ISSN; 3] DOI; 4] URI; 5] VIAF; 6] ESTC; 7]
                <ref name="model.dimLike"/>
             </choice>
          </zeroOrMore>
+         <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
+                  id="msdesc-dimensions-dimensions-unit.check-constraint-rule-17">
+            <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
+                      xmlns:sch="http://purl.oclc.org/dsdl/schematron"
+                      context="//tei:dimensions">
+               <sch:assert role="error" test="@unit"> The unit of measurement
+                                        must be specified in the unit attribute on the dimensions
+                                        element </sch:assert>
+            </sch:rule>
+         </pattern>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
                   id="msdesc-dimensions-duplicateDim-constraint-report-12">
             <rule context="tei:dimensions">
@@ -5187,7 +5174,7 @@ Suggested values include: 1] binding; 2] folia; 3] leaf; 4] line-height; 5] rule
             </choice>
          </zeroOrMore>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-origDate-origDate.check-constraint-rule-19">
+                  id="msdesc-origDate-origDate.check-constraint-rule-18">
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:origDate">
@@ -5223,7 +5210,7 @@ Suggested values include: 1] binding; 2] folia; 3] leaf; 4] line-height; 5] rule
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">(second folio) marks the word or words taken from a fixed point in a codex (typically the beginning of the second leaf) in order to provide a unique identifier for it.  [10.3.7. Catchwords, Signatures, Secundo Folio]</a:documentation>
          <ref name="macro.phraseSeq"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-secFol-secFol_in_msDesc-constraint-assert-19">
+                  id="msdesc-secFol-secFol_in_msDesc-constraint-assert-18">
             <rule context="tei:secFol">
                <sch:assert xmlns:rng="http://relaxng.org/ns/structure/1.0"
                            xmlns="http://www.tei-c.org/ns/1.0"
@@ -5240,7 +5227,7 @@ Suggested values include: 1] binding; 2] folia; 3] leaf; 4] line-height; 5] rule
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">contains discussion of the leaf or quire signatures found within a codex or similar object. [10.3.7. Catchwords, Signatures, Secundo Folio]</a:documentation>
          <ref name="macro.specialPara"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-signatures-signatures_in_msDesc-constraint-assert-20">
+                  id="msdesc-signatures-signatures_in_msDesc-constraint-assert-19">
             <rule context="tei:signatures">
                <sch:assert xmlns:rng="http://relaxng.org/ns/structure/1.0"
                            xmlns="http://www.tei-c.org/ns/1.0"
@@ -5779,35 +5766,30 @@ Suggested values include: 1] binding; 2] folia; 3] leaf; 4] line-height; 5] rule
                </optional>
             </group>
          </choice>
-         <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-supportDesc-supportDesc.check-constraint-rule-20">
-            <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
-                      xmlns:sch="http://purl.oclc.org/dsdl/schematron"
-                      context="//tei:supportDesc">
-               <sch:assert role="warn" test="@material">
-                                        The writing support of a manuscript should be specified in the
-                                        material attribute on the element supportDesc.
-                                    </sch:assert>
-            </sch:rule>
-         </pattern>
          <ref name="att.global.attributes"/>
-         <optional>
-            <attribute name="material">
-               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">a short project-defined name for the material composing the majority of the support
-Suggested values include: 1] paper; 2] parch (parchment) ; 3] mixed</a:documentation>
-               <choice>
-                  <value>paper</value>
-                  <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0"/>
-                  <value>parch</value>
-                  <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">(parchment) </a:documentation>
-                  <value>mixed</value>
-                  <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0"/>
-                  <data type="token">
-                     <param name="pattern">(\p{L}|\p{N}|\p{P}|\p{S})+</param>
-                  </data>
-               </choice>
-            </attribute>
-         </optional>
+         <attribute name="material">
+            <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The material composing the majority of the support
+Suggested values include: 1] perg; 2] chart; 3] papyrus; 4] palm; 5] mixed; 6] other; 7] unknown</a:documentation>
+            <choice>
+               <value>perg</value>
+               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The object is composed of parchment or vellum</a:documentation>
+               <value>chart</value>
+               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The object is composed of any kind of paper. Give more details, if any, in a child support element.</a:documentation>
+               <value>papyrus</value>
+               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The object is composed of papyrus.</a:documentation>
+               <value>palm</value>
+               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The object is composed of palm leaves.</a:documentation>
+               <value>mixed</value>
+               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The object is composed of a combination of paper and parchment. The nature of the combination should be specified in the support element.</a:documentation>
+               <value>other</value>
+               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The object is composed of another material (e.g. wood).</a:documentation>
+               <value>unknown</value>
+               <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The material of which is object is composed is not known.</a:documentation>
+               <data type="token">
+                  <param name="pattern">(\p{L}|\p{N}|\p{P}|\p{S})+</param>
+               </data>
+            </choice>
+         </attribute>
          <empty/>
       </element>
    </define>
@@ -5901,7 +5883,7 @@ Suggested values include: 1] paper; 2] parch (parchment) ; 3] mixed</a:documenta
          <optional>
             <attribute name="rulingMedium">
                <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">Specifies the medium used to carry out the ruling. Note: This is a customization which is not currently part of the TEI P5 standard.
-Suggested values include: 1] ink; 2] leadpoint; 3] hardpoint; 4] crayon; 5] board</a:documentation>
+Suggested values include: 1] ink; 2] leadpoint; 3] hardpoint; 4] crayon; 5] mixed; 6] board</a:documentation>
                <choice>
                   <value>ink</value>
                   <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The ruling is carried out using ink.</a:documentation>
@@ -5911,6 +5893,8 @@ Suggested values include: 1] ink; 2] leadpoint; 3] hardpoint; 4] crayon; 5] boar
                   <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The ruling is carried out using hardpoint or drypoint.</a:documentation>
                   <value>crayon</value>
                   <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The ruling is carried out using ‘crayon’.</a:documentation>
+                  <value>mixed</value>
+                  <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The ruling is carried out using several methods.</a:documentation>
                   <value>board</value>
                   <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">The ruling is carried out using a board.</a:documentation>
                   <data type="token">
@@ -6173,7 +6157,7 @@ Suggested values include: 1] border; 2] diagram; 3] illustration; 4] initial; 5]
             </choice>
          </oneOrMore>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-binding-binding.check-constraint-rule-21">
+                  id="msdesc-binding-binding.check-constraint-rule-19">
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:binding">
@@ -6788,7 +6772,7 @@ Suggested values include: 1] border; 2] diagram; 3] illustration; 4] initial; 5]
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">(organization name) contains an organizational name. [13.2.2. Organizational Names]</a:documentation>
          <ref name="macro.phraseSeq"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-orgName-orgName.key.check-constraint-rule-22">
+                  id="msdesc-orgName-orgName.key.check-constraint-rule-20">
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:msDesc//tei:orgName[ancestor::tei:fileDesc[descendant::tei:idno[@type='catalogue']='Western']]">
@@ -6810,7 +6794,7 @@ Suggested values include: 1] border; 2] diagram; 3] illustration; 4] initial; 5]
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">(personal name) contains a proper noun or proper-noun phrase referring to a person, possibly including one or more of the person's forenames, surnames, honorifics, added names, etc. [13.2.1. Personal Names]</a:documentation>
          <ref name="macro.phraseSeq"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-persName-persName.key.check-constraint-rule-23">
+                  id="msdesc-persName-persName.key.check-constraint-rule-21">
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:msDesc//tei:persName[ancestor::tei:fileDesc[descendant::tei:idno[@type='catalogue']='Western']]">
@@ -6863,7 +6847,7 @@ Suggested values include: 1] border; 2] diagram; 3] illustration; 4] initial; 5]
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">contains an absolute or relative place name. [13.2.3. Place Names]</a:documentation>
          <ref name="macro.phraseSeq"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-placeName-placeName.key.check-constraint-rule-24">
+                  id="msdesc-placeName-placeName.key.check-constraint-rule-22">
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:msDesc//tei:placeName[ancestor::tei:fileDesc[descendant::tei:idno[@type='catalogue']='Western']]">
@@ -6886,7 +6870,7 @@ Suggested values include: 1] border; 2] diagram; 3] illustration; 4] initial; 5]
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">contains the name of a geo-political unit, such as a nation, country, colony, or commonwealth, larger than or administratively superior to a region and smaller than a bloc. [13.2.3. Place Names]</a:documentation>
          <ref name="macro.phraseSeq"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-country-country.key.check-constraint-rule-25">
+                  id="msdesc-country-country.key.check-constraint-rule-23">
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:origin//tei:country[ancestor::tei:fileDesc[descendant::tei:idno[@type='catalogue']='Western']]">
@@ -6919,7 +6903,7 @@ Suggested values include: 1] border; 2] diagram; 3] illustration; 4] initial; 5]
          <a:documentation xmlns:a="http://relaxng.org/ns/compatibility/annotations/1.0">contains the name of a settlement such as a city, town, or village identified as a single geo-political or administrative unit. [13.2.3. Place Names]</a:documentation>
          <ref name="macro.phraseSeq"/>
          <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
-                  id="msdesc-settlement-settlement.key.check-constraint-rule-26">
+                  id="msdesc-settlement-settlement.key.check-constraint-rule-24">
             <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
                       xmlns:sch="http://purl.oclc.org/dsdl/schematron"
                       context="//tei:origin//tei:settlement[ancestor::tei:fileDesc[descendant::tei:idno[@type='catalogue']='Western']]">
@@ -6990,6 +6974,25 @@ Suggested values include: 1] border; 2] diagram; 3] illustration; 4] initial; 5]
                <ref name="model.resourceLike"/>
             </oneOrMore>
          </group>
+         <pattern xmlns="http://purl.oclc.org/dsdl/schematron"
+                  id="msdesc-TEI-TEI.xmlid.check-constraint-rule-25">
+            <sch:rule xmlns="http://www.tei-c.org/ns/1.0"
+                      xmlns:sch="http://purl.oclc.org/dsdl/schematron"
+                      context="tei:TEI">
+               <sch:assert role="fatal"
+                           test="matches(@xml:id, '^manuscript_\d+$') or contains(base-uri(.), 'genizah-mss')">
+                                        The root TEI element must have an @xml:id beginning with 
+                                        "manuscript_" then a number (which must also be unique 
+                                        across the entire catalogue).
+                                    </sch:assert>
+               <sch:assert role="fatal"
+                           test="matches(@xml:id, '^volume_\d+$') or not(contains(base-uri(.), 'genizah-mss'))">
+                                        The root TEI element must have an @xml:id beginning with
+                                        "volume_" then a number (which must also be unique 
+                                        across the entire catalogue).
+                                    </sch:assert>
+            </sch:rule>
+         </pattern>
          <ns xmlns="http://purl.oclc.org/dsdl/schematron"
              prefix="tei"
              uri="http://www.tei-c.org/ns/1.0"/>