https://correspsearch.net/index.xql
https://correspsearch.net/index.xql?id=participate_cmi-format
- Convert CSV to CMIF with Python
https://github.com/saw-leipzig/csv2cmi
http://dantiscus.ibi.uw.edu.pl/?menu=ccor&f=ccor
"Ioannes Dantiscus' Correspondence is a database containing inventory data on the entirety of Danticus' correspondence (sender, addressee, incipit, dating, data on the source, data on printed publications, facsimiles of the primary source). Some of the letters are also presented in a searchable full-text version. In future, once all the letters are made available in text form, this publication will be transformed into the Corpus of Ioannes Dantiscus' Correspondence."
http://www.republicofletters.net/
http://emlo.bodleian.ox.ac.uk/
http://www.culturesofknowledge.org/
http://www.e-enlightenment.com/info/content/
Correspondence Kleiven-Prestgard