A digitized collection of manuscripts from Stanford University and Corpus Christi College at Cambridge University.

A fantastic collection of digitized primary source materials. There are several separate pages within the sourcebook for different time periods, groups of people, and more. Worth exploring, and a go-to when looking for primary sources.

MESA is a community of medieval scholars digitally collecting resources used by various medieval studies researchers.

Digital library of mostly Greco-Roman primary source materials from Tufts University.

A collection of translated letters to and from women from the 4th to 13th century.