Arcadia Early Music Archives
http://ace.acadiau.ca/score/archive/ftp.htm
Contains downloadable scores of early music.

American Music Resource
http://www.uncg.edu/mus/courses/flmccart/amr/
A resource for American music history. The collection houses over 800 bibliographies, lists and files, and is indexed by topic (genre and style subdivisions) and subject (individuals - mostly composers).

Music History
http://library.thinkquest.org/15413/history/music-history.htm?tqskip1=1
Information on the history of music from the Medieval era to the 20th Century.

Black History and Classical Music
http://chevalierdesaintgeorges.homestead.com/History.html
Information about composures and musicians of African decent.

The History of Country Music
http://www.roughstock.com/history/
Gives a history of Country music, identifying particular eras and important influence