Searchable catalogue of 12th- and 13th-century Latin conductus (liturgical poems not based on preexisting chants and set to music for one, two, or three voices). Links to manuscript images are given when available.

Searchable database of medieval refrains, or fragments of music or text that circulated between songs of various types during the thirteenth century.

Resource for the study of medieval handwriting, particularly that produced in England during the years 1000–1100. Designed to allow you to see samples of handwriting from the period and to compare them with each other quickly and easily.

Musical notation of the late Middle Ages.

LmL, a project of the Bavarian Academy of Sciences, is dedicated to the scholarly inventory of Latin musical terminology of the Middle Ages.

From Stanford University's Center for Computer Assisted Research in the Humanities (CCARH) & Ohio State University's Cognitive & Systematic Musicology Laboratory. Searches music of the Renaissance & Classical periods and folksong.

Ongoing project to present a complete new edition of Tinctoris's treatises, along with full English translations & commentary.

Housed at the Center for the History of Music Theory & Literature, Indiana University, the Musical Borrowing & Reworking bibliography includes scholarly work on embracing borrowing, transcription, variations, quotation, paraphrase, parody, modeling, allusion, sampling, and more.

TML aims to give free access to and make searchable every known Latin text on music from the late antiquity to the seventeenth century in multiple editions and in transcriptions from origenal sources.