The Special Collections At Vassar College
, where F.L. Ritter was professor of Music from 1867-1891, and which holds Ritter's personal papers and manuscripts.
Register from the Vassar Archives
- the only index to their Ritter materials.
Library of Congress, American Memory Project, Music for the Nation: American Sheet Music
- the Author Index listings for both Frederic Louis Ritter, and his wife, Fanny Raymond Ritter.
A short article in the
Sonneck Society Bulletin #24:1 (Spring 1998)
about his wife, Fanny Raymond Ritter
Some of his texts
online biographical dictionary