- Center for the Study of Free Reed Instruments - Part of NYU in New York City, association for free-reed instruments like accordians and harmonicas. Journal, announcements, archive, and links.
- France Harmonica - French harmonica organization. Links, news, boutique, and membership information. In English and French.
- The Harmonica Hall of Fame - Devoted to honoring harmonica players. Pictures of members, message board, and joining information.
- The National Harmonica League - British organization. Support and resources for harmonica players. Harmonica needs, news, performers, and links.
- The Society for the Preservation and Advancement of the Harmonica - Large harmonica association. Links to performers and industry resources, information about the group, convention reports, and membership information.
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