There are major collections of manuscripts in:
There are smaller collections or individual items in:
- Hungarian (five items)
- Mexican (three items, including a highly significant codex from the pueblo of Telotzotlán, one of the so-called Techialoyan Codices)
- Portuguese (one item, a volume of Brazilian genealogies)
- the Slavonic languages (five items, including a Gospels, two Calendars, and a Canon for the Departed, in Serbian and Russian)
- Welsh (three items, among them a fifteenth-century volume of Welsh pedigrees)
In addition, the Moses Gaster Collection includes manuscripts in Bulgarian, Flemish, Georgian and Romanian.