Doctoral Dissertations in Musicology (DDM) is an international database of bibliographic records for completed dissertations and new dissertation topics in the fields of musicology, music theory, and ethnomusicology, as well as in related musical, scientific, and humanistic disciplines. The fully searchable database containing over 16,400 records, including the corrected and updated contents of all earlier printed editions of Doctoral Dissertations in Musicology and supplements contributed from musicological centers throughout the world.

Computer-Assisted Information Retrieval Service System - A database of music research literature, particularly in the areas of music therapy and medicine.

The Thesaurus Musicarum Latinarum (TML) is an evolving database of the entire corpus of Latin music theory written during the Middle Ages and the Renaissance. It complements but does not duplicate the Thesaurus Linguae Graecae (TLG), Thesaurus Linguae Latinae (TLL), Lexicon musicum Latinum medii aevi (LmL), and similar projects such as the Center for Computer Analysis of Texts (CCAT) and saggi musicali italiani (SMI). Please note, as of July 2016, TML is available in an interim version.

An archive of digital images of European sources of medieval polyphonic music. The database enables searches by many criteria including work title, manuscript, composer, genre, or text.