The Diatonic Harmonica Reference -  .

Planet Harmonica -  .

BassHarp's International Gig List - - Listing of harmonica gigs and performances. Dates, times, and contact information.

Blues and Celtic Harmonica Page - - Blues and Celtic harmonica tab. Information about harmonica books and transcriptions, discographies, articles, and links.

The Blues Harmonica Haven - - Blues harmonica information, lessons, tab, sound bytes, and tribute sites of the masters.

The Harmonica Exchange - Teachers Directory - - This site features a listing of harmonica teachers worldwide.

Harmonica House - - Sound samples, resources, playing tips, software information, and links.

Harmonica Links - - Directory of harmonica players, vendors, manufacturers, and instructors.

Harmonica Masterclass Company - - Organized by David Barrett, harmonica teacher and writer. Bi-annual seminars in California. Products, seminar information, and instructional information.

Harmonica Players Webring - - Webring for players and enthusiasts of the harmonica.

The Harmonica Pros Webring - - Webring for all styles of harmonica playing. Joining instructions.

Harmonica Tablature - - Create harmonica tab. Description and downloading information.

Harp On! - - Chromatic Harmonica reference, including techniques, chromatic harp information, music theory, reading music, and harp tablature.

Jack Mearl's Harmonica Page - - Harmonica lessons, software information, and songs of many genres.

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.

Richard Hunter's Harmonica Web Site - - Information on performers, original works, upcoming events, reviews, and links.