Havergal Brian Society
- Official site. Diary of his life, listings of compositions, and society activities.
- http://www.musicweb.uk.net/brian/

International Machaut Society
- Devoted to the study of poet and composer Guillaume de Machaut. Contains Machaut links and society newsletter.
- http://www.vanderbilt.edu/~cyrus/machaut/

The Charles Ives Society
- Biography, bibliography, works, and descriptive catalogue.
- http://www.charlesives.org/

The American Brahms Society
- Contains general information, a list of publications, and Brahms research on the web.
- http://pubpages.unh.edu/~dbmk/abs/