diff --git a/Classes/Processing/BibEntryConfig.php b/Classes/Processing/BibEntryConfig.php
index bcf4c0c..33a84d5 100644
--- a/Classes/Processing/BibEntryConfig.php
+++ b/Classes/Processing/BibEntryConfig.php
@@ -124,6 +124,12 @@ class BibEntryConfig
         'conditionValue' => '',
         'conditionRelation' => 'neq',
     ];
+    const NUMBER_OF_VOLUMES = [
+        'field' => 'numberOfVolumes',
+        'conditionField' => 'numberOfVolumes',
+        'conditionValue' => '',
+        'conditionRelation' => 'neq',
+    ];
 
     public static function getAuthorHeader(): array
     {
@@ -155,9 +161,10 @@ public static function getBookSectionFooter(): array
     {
         return [
             self::circumfix(self::BOOK_TITLE, 'In ', ', '),
-            self::postfix(self::VOLUME, ', '),
             self::circumfix(self::EDITOR, 'hg. von ', ', '),
             self::circumfix(self::TRANSLATOR, 'übers. von ', ', '),
+            self::postfix(self::NUMBER_OF_VOLUMES, 'Bde., '),
+            self::circumfix(self::VOLUME, 'Bd. ', ', '),
             self::postfix(self::PLACE, ' '),
             self::postfix(self::DATE, ', '),
             self::PAGES
@@ -169,6 +176,8 @@ public static function getBookFooter(): array
         return [
             self::circumfix(self::EDITOR, 'hg. von ', ', '),
             self::circumfix(self::TRANSLATOR, 'übers. von ', ', '),
+            self::postfix(self::NUMBER_OF_VOLUMES, 'Bde., '),
+            self::circumfix(self::VOLUME, 'Bd. ', ', '),
             self::postfix(self::PLACE, ' '),
             self::DATE
         ];
diff --git a/Tests/Unit/Processing/BibEntryProcessorTest.php b/Tests/Unit/Processing/BibEntryProcessorTest.php
index 47b0d8f..08f7437 100644
--- a/Tests/Unit/Processing/BibEntryProcessorTest.php
+++ b/Tests/Unit/Processing/BibEntryProcessorTest.php
@@ -28,12 +28,15 @@ final class BibEntryProcessorTest extends UnitTestCase
     private string $authorLastName = 'ex_author_last';
     private string $editorFirstName = 'ex_editor_first';
     private string $editorLastName = 'ex_editor_last';
+    private string $translatorFirstName = 'ex_translator_first';
+    private string $translatorLastName = 'ex_translator_last';
     private string $title = 'ex_title';
     private string $bookTitle = 'ex_book_title';
     private string $place = 'ex_place';
     private string $date = 'ex_date';
     private string $pages = 'ex_pages';
     private string $volume = 'ex_volume';
+    private string $numberOfVolumes = 'ex_number_of_volumes';
     private string $issue = 'ex_issue';
 
     private string $exampleBook = '';
@@ -57,9 +60,21 @@ protected function setUp(): void
                         "creatorType": "author",
                         "firstName": "$this->authorFirstName",
                         "lastName": "$this->authorLastName"
+                    },
+                    {
+                        "creatorType": "editor",
+                        "firstName": "$this->editorFirstName",
+                        "lastName": "$this->editorLastName"
+                    },
+                    {
+                        "creatorType": "translator",
+                        "firstName": "$this->translatorFirstName",
+                        "lastName": "$this->translatorLastName"
                     }
                 ],
                 "place": "$this->place",
+                "volume": "$this->volume",
+                "numberOfVolumes": "$this->numberOfVolumes",
                 "date": "$this->date"
             }
             JSON;
@@ -75,8 +90,15 @@ protected function setUp(): void
                         "creatorType": "editor",
                         "firstName": "$this->editorFirstName",
                         "lastName": "$this->editorLastName"
+                    },
+                    {
+                        "creatorType": "translator",
+                        "firstName": "$this->translatorFirstName",
+                        "lastName": "$this->translatorLastName"
                     }
                 ],
+                "volume": "$this->volume",
+                "numberOfVolumes": "$this->numberOfVolumes",
                 "place": "$this->place",
                 "date": "$this->date"
             }
@@ -137,9 +159,16 @@ protected function setUp(): void
                         "creatorType": "editor",
                         "firstName": "$this->editorFirstName",
                         "lastName": "$this->editorLastName"
+                    },
+                    {
+                        "creatorType": "translator",
+                        "firstName": "$this->translatorFirstName",
+                        "lastName": "$this->translatorLastName"
                     }
                 ],
                 "bookTitle": "$this->bookTitle",
+                "volume": "$this->volume",
+                "numberOfVolumes": "$this->numberOfVolumes",
                 "place": "$this->place",
                 "date": "$this->date",
                 "pages": "$this->pages"
@@ -190,9 +219,9 @@ public function bodyIsProcessedCorrectly(): void
         $bookSection = $this->subject->process($this->exampleBookSectionArray, new Collection(), new Collection());
         $article = $this->subject->process($this->exampleArticleArray, new Collection(), new Collection());
 
-        self::assertEquals($book['tx_lisztcommon_body'], Str::of($this->title));
-        self::assertEquals($bookSection['tx_lisztcommon_body'], Str::of($this->title));
-        self::assertEquals($article['tx_lisztcommon_body'], Str::of($this->title));
+        self::assertEquals(Str::of($this->title), $book['tx_lisztcommon_body']);
+        self::assertEquals(Str::of($this->title), $bookSection['tx_lisztcommon_body']);
+        self::assertEquals(Str::of($this->title), $article['tx_lisztcommon_body']);
     }
 
     /**
@@ -201,9 +230,16 @@ public function bodyIsProcessedCorrectly(): void
     public function bookFooterIsProcessedCorrectly(): void
     {
         $book = $this->subject->process($this->exampleBookArray, new Collection(), new Collection());
-        $expected = Str::of($this->place . ' ' . $this->date);
+        $expected = Str::of(
+            'hg. von ' . $this->editorFirstName . ' ' . $this->editorLastName . ', ' .
+            'übers. von ' . $this->translatorFirstName . ' ' . $this->translatorLastName . ', ' .
+            $this->numberOfVolumes . 'Bde., ' .
+            'Bd. ' . $this->volume . ', ' .
+            $this->place . ' ' .
+            $this->date
+        );
 
-        self::assertEquals($book['tx_lisztcommon_footer'], $expected);
+        self::assertEquals($expected, $book['tx_lisztcommon_footer']);
     }
 
     /**
@@ -212,10 +248,18 @@ public function bookFooterIsProcessedCorrectly(): void
     public function bookSectionFooterIsProcessedCorrectly(): void
     {
         $bookSection = $this->subject->process($this->exampleBookSectionArray, new Collection(), new Collection());
-        $expected = Str::of('In ' . $this->bookTitle . ', ' . 'hg. von ' . $this->editorFirstName . ' ' . $this->editorLastName .
-            ', ' . $this->place . ' ' . $this->date . ', ' . $this->pages);
+        $expected = Str::of(
+            'In ' . $this->bookTitle . ', ' .
+            'hg. von ' . $this->editorFirstName . ' ' . $this->editorLastName . ', ' .
+            'übers. von ' . $this->translatorFirstName . ' ' . $this->translatorLastName . ', ' .
+            $this->numberOfVolumes . 'Bde., ' .
+            'Bd. ' . $this->volume . ', ' .
+            $this->place . ' ' .
+            $this->date . ', ' .
+            $this->pages
+        );
 
-        self::assertEquals($bookSection['tx_lisztcommon_footer'], $expected);
+        self::assertEquals($expected, $bookSection['tx_lisztcommon_footer']);
     }
 
     /**
@@ -224,10 +268,15 @@ public function bookSectionFooterIsProcessedCorrectly(): void
     public function articleFooterIsProcessedCorrectly(): void
     {
         $article = $this->subject->process($this->exampleArticleArray, new Collection(), new Collection());
-        $expected = Str::of($this->bookTitle . ' ' . $this->volume . ' (' . $this->date . '), Nr. ' . $this->issue . ', ' . $this->pages);
-        var_dump($article['tx_lisztcommon_footer']);
+        $expected = Str::of(
+            $this->bookTitle . ' ' .
+            $this->volume .
+            ' (' . $this->date . '), Nr. ' .
+            $this->issue . ', ' .
+            $this->pages
+        );
 
-        self::assertEquals($article['tx_lisztcommon_footer'], $expected);
+        self::assertEquals($expected, $article['tx_lisztcommon_footer']);
     }