Bluesharp.org: A single page which organizes many of the harp resources on the Internet.
CrossHarp.com: Contains harmonica-related links and streaming Real Audio.
Diatonic Harmonica Tunings for Celtic Music: Breton harmonica player Jean Sabot offers information on alternte tunings for Celtic harmonica. Site also includes some scores, a discography of his work, and his itnerary.
Frank Bard Harmonica: My new CD demonstrates the versitility of the diatonic harmonica played crossharp style. It includes easy listening, western swing, bluegrass, blues, standards, gospel, and country music.
Harleys Harps: A site to buy,sell trade old,rare unusual harmonicas and related items. Also the home site for HCI ( harmonica collectors international). Quarterly news letter for members.
Harmonica Players on the Web: A complete listing of many players and featuring pro and amateur players, male and female, diatonic and chromatic, and all styles of music.
Harmonicas on Display at the National Music Museum, Vermillion, SD.: A list of harmonicas on display, with links to photos.
Harp On! Harmonica Resources: G Maj has assembled some good links here.
Jan van Gastel's Blues Harmonica Site: Information about the diatonic harmonica: types of harps, repairing and customizing harps, which comb to use, amplifiers, and reviews.
Learn Harmonica: Learn to play harmonica for free. Free instruction, songs, tabs, tips, sound files, CDs keyed, message board, chat room, and theory.
Overblowing the Diatonic Harmonica: Based on the techique popularized by Howard Levy. Offers practice routines and harp modifications, and recordings of overblow-heavy harmonica pieces.
Ron Good's Harphouse: Harmonica links & lessons and other information from a Canadian multi-style harmonica player from British Columbia. Some info on equipment, amps, mics.
Suzuki Musical Instruments: Pictures, descriptions, and ordering information for harmonicas.
The Society for the Preservation and Advancement of the Harmonica: SPAH offers online guide to harmonica events, noted performers, merchants, manufacturers, and publications.