The John Murdoch Henderson Collection - Information about a collection of fiddle and bagpipe music entrusted to the North East Folklore Archive; includes an introduction, catalog, biography, excerpts from Henderson's writings, and archive audio samples. [Scotland] - http://sites.scran.ac.uk/jmhenderson/
Highland Music Trust - Charitable trust established to encourage Scottish national and traditional music, and reprint collections of fiddle tunes; includes ordering instructions. - http://www.heallan.com/
Fiddle Tunes of the Old Frontier - The Henry Reed Collection (Library of Congress); a multi-format online field collection of traditional fiddle tunes recorded in 1966-67. Includes an essay about Reed's life, art, and influence. - http://memory.loc.gov/ammem/collections/reed/
The Fiddler's Companion - Andrew Kuntz's descriptive index of North American and British Isles Music for the fiddle. Includes tunes in abc format, historical notes, biographies of fiddlers, and a collection of articles. - http://www.ibiblio.org/fiddlers/
Fiddletunes.net - Leo McDermott offers a collection of predominantly traditional tunes for learner fiddlers, mostly in mp3 format. - http://www.fiddletunes.net/
Fiddle Tunes From The American Revolution - A collection of fiddle tunes from the American Revolution period in MIDI music format, from the personal notebook of a certain Captain George Bush, officer in George Washington's army. - http://www.halcyondaysmusic.com/colonialmusic/
Celtic Tune Database - A fiddler's database of celtic fiddle tunes, in gif and midi formats. - http://wildfiddle.com/music.htm
Chris Ricker's Fiddle Page - A collection of about 800 fiddle tunes in abc format. - http://www.chrisricker.ca/music.html
Sample Tunes - A substantial collection of fiddle tunes mainly from the traditions and players of Cape Breton; in notation (gif format) and/or abc formats. - http://www.cranfordpub.com/tunes/sample_tunes.htm
Natalie MacMaster's Music - A collection of the tunes played by the well-known Cape Breton fiddler, in notation (gif format), from her official website. - http://www.nataliemacmaster.com/recordings/sheetmusic.htm
Old Time Fiddle Tunes - A substantial collection of tunes in notation (PDF files) and midi formats. - http://www.mne.psu.edu/lamancusa/tunes.htm
Ed Haley Fiddle Tune Transcriptions - Some transcriptions from the fiddle playing of Ed Haley, in standard notation. - http://home.hiwaay.net/~eabaggot/EdHaley/haley.htm
Allan's Irish Fiddler - A collection of tunes in a range of formats, and notation, transcribed from the book by Hugh McDermott. - http://www.oldmusicproject.com/allans.html
Lennart Sohlman´s Swedish Fiddle Site - Offers a collection of fiddle tunes from central Sweden (around the rivers Ljungan and Ljusnan). Tunes are in abc and/or midi format. - http://homepage.calypso.net/~ci-18034/page56.html
The Session - ABCs, discussions, and recording index for listed tunes, mostly traditional Irish music. Site contains thousands of tunes in a searchable database. Create your own personal tune book. - http://thesession.org/
Ceolas: The Fiddler's Companion - An online database of over 50,000 fiddle tunes, in abc format, from the Celtic, British and American traditions, by Andrew Kuntz. - http://www.ceolas.org/tunes/fc/