The Moldenhauer Archives at the Library of Congress contain approximately 3,500 items documenting the history of Western music from the medieval period through the modern era.

This site contains the most significant artistic output of the most important composers within each historical period.

A PDF timeline of composers in the Gothic, Medieval, Renaissance, and Baroque periods.

Classics For Kids provides a short biography of Early Music composer Hildegard von Bingen, born on January 1, 1098.

This site contains info on the life of Machaut and some of his famous works. Information is from the Grolier Multimedia Encyclopedia.