Extensive collection of links.
Chapter 1 of this book by Peter Wakefield Sault, that is concerned with the mathematical derivations of the western system of music, the Babylonian unit of rotation and the minute of time.
A SourceForge project for organizing the main concepts and properties for describing music (artists, albums, tracks, performances, arrangements) on the Semantic Web.
Georges Pompidou Center
Listing of all 78RPM recordings made in Germany from 1890-1960.
The site presents an index to dissertations-in-progress and a bibliography of completed dissertations reported since mid-1995, arranged under the traditional broad categories.
Archive of Early and Medieval music manuscripts and scores. Hundreds of scanned images available, with higher resolution ones for members.
Listing and abstracts for every successfully defended Columbia University musicology, music theory, ethnomusicology, and music history dissertation from 1986 to the present.
Searchable database of primary bibliographical and Internet sources for American music.