From Early Music Chicago. "Links to biographies, references, images, videos, MP3s, sheet music, CDs & books on more than 1200 early music composers of Baroque, Renaissance & Medieval music."
"Digitised images of some of the world's oldest surviving volumes of printed music. More than 300 volumes of 16th-century music from the British Library."
From the University of Nebraska-Lincoln. Full-text, English language treatises on music theory and aesthetics, from the Medieval and Early Modern periods.
Search by word or phrase, composer, performer, or album title. Use the 'word or phrase' search to find an individual work (such as "Christmas Concerto") that may not be part of an album title.
A series of six films: Brass Instruments, Bowed Instruments, Plucked Instruments, Flutes and Whistles, Keyboard and Percussion, and Reed Instruments. Available online via Films on Demand.