http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Theodor Cron ; a cura di / edited by Markus Breitschmid, Enrico Molteni.
Facsimile reproduction and transcription of original typescript in German with English and Italian translation; critical matter in English and Italian.