Additional
Information: Scanned images of historical sheet music.
Manuscripts Sites:
Vatican renaissance music exhibit Vatican renaissance music exhibit: Renaissance manuscripts. (Manuscripts) http://metalab.unc.edu/expo/vatican.exhibit/exhibit/e-music/Music.html
Music for the Nation: American Sheet Music, 1870-1885 Music for the Nation: American Sheet Music, 1870-1885: From the U.S. Library of Congress. Tens of thousands of songs and instrumental pieces registered for copyright in the post-Civil War era. Digitized images and some audio clips. (Manuscripts) http://memory.loc.gov/ammem/smhtml/smhome.html
The Lester S. Levy Sheet Music Collection The Lester S. Levy Sheet Music Collection: Covers 1780-1960. Scanned images of public-domain music. (Manuscripts) http://levysheetmusic.mse.jhu.edu/index.html
Historic American Sheet Music Historic American Sheet Music: The Historic American Sheet Music Project provides access to digital images of 3042 pieces of sheet music published in America between 1850 and 1920. (Manuscripts) http://scriptorium.lib.duke.edu/sheetmusic/
Sheet Music from Canada's Past Sheet Music from Canada's Past: Features Canadian sheet music from the First World War era and from the pre-confederation era, from the National Library of Canada. (Manuscripts) http://www.collectionscanada.ca/4/1/index-e.html
The ap Huw manuscript The ap Huw manuscript: The `Robert ap Huw Manuscript' is currently in the British Museum. Part of it appears to have been written by Lewis Morris (d. 1742), part by Robert ap Huw, and part was allegedly copied out of the book of Wiliam Penllyn, a sixteenth century Welsh harper. (Manuscripts) http://www.pbm.com/~lindahl/ap_huw/
Henry Purcell Henry Purcell: History and some scanned manuscripts. (Manuscripts) http://www.bl.uk/whatson/exhibitions/purcell.html
Chazzanut Online Chazzanut Online: Jewish liturgical music site, with a large collection of cantorial sheet music, midi, links and background information. (Manuscripts) http://www.chazzanut.com/