Ars Subtilior. Music of the late Medieval period French Secular Music of the Late 14th Century. http://www.pacificnet.net/~garyrich/subtilior/

Classical MIDI Connection: the Renaissance Period Indexed by composer, where known. http://midiworld.com/cmc/renaissa.html

Cucamonga Renaissance Band (MIDI files, including some overlap with the Internet Renaissance Band http://www.geocities.com/Vienna/Strasse/3171/sampler.html

The Internet Renaissance Band MIDI files of music from the Medieval and Renaissance periods, and ancient carols. http://www.csupomona.edu/~jcclark/emusic/

Classical MIDI Connection: the Baroque Period Classical MIDI Connection's files for hundreds of Baroque pieces, listed by composer; major composers such as Bach and Handel have their own special sections http://midiworld.com/cmc/baroque.html

Early Music at MidiWorld 200+ medieval, renaissance, and early baroque files. http://midiworld.com/earlymus.htm

Scores and MIDI files Music for recorder by Bach, Rosenmueller, Ravenscroft, Simpson, and Praetorius. http://www.saers.com/recorder/mondrup/

Completorium - Polish Early Music Composer biographical notes, 350 MIDI files, several MP3 files, and links for the Renaissance through Baroque periods. http://zeus.polsl.gliwice.pl/~jarczyk/early/

Classical Music Archives: Early Music Special page for early music, with over 1200 MIDI and MP3 files for pieces by over 220 composers. [requires JavaScript] http://www.classicalarchives.com/early.html

Music of the 14th Century Machaut, De Perusi, Solage, Trebor http://academics.vmi.edu/english/med_midi.html

Spanish Early Music MIDI sequences of Renaissance and Baroque Spanish music. http://www.carolinaclassical.com/paco/

Bibliography of Early Music Greg Lindahl offers lengthy text listing of books and journals, many contributed by fellow scholars. http://www.pbm.com/~lindahl/articles/music_bibliography.html