Musicology

• American Music Resource - Searchable database of primary bibliographical and Internet sources for American music.
• Archive of Dissertation Abstracts in Music - Includes about 120 abstracts providing links to full dissertations. New submissions are welcome.
• A Chronology of the Symphony 1730-1998 - Lists hundreds of symphonies grouped by composer, then year by year.
• Columbia University Directory of Musicology Dissertations - Listing and abstracts for every successfully defended Columbia University musicology, music theory, ethnomusicology, and music history dissertation from 1986 to the present.
• Digital Image Archive of Medieval Music - Archive of Early and Medieval music manuscripts and scores. Hundreds of scanned images available, with higher resolution ones for members.
• Doctoral Dissertations in Musicology-Online - 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.
• German National Discography - Listing of all 78RPM recordings made in Germany from 1890-1960.
• Ircam - Georges Pompidou Center - Institute of Research and Coordination in Acoustics - Music.
• The Keys of Atlantis - 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.
• Music Ontology Specification - A SourceForge project for organizing the main concepts and properties for describing music (artists, albums, tracks, performances, arrangements) on the Semantic Web.
• Web Resources for Research in Music - A collection of links provided by Music Department of the University College Cork.
• WWW Sites for Musicologists - Extensive collection of links.

Other links and resources here.