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• Chemnitzer Concertina - Photos and links collected by concertina maker Christy Hengel of Minnesota and his friend Loren Schaeffler.
• Concertina FAQ - Covers history, types, makes, repair and dealers.
• Concertina Library - Documents for the study of English, Anglo, and Duet concertinas: history, instruction books, sheet music, patents, technical papers, rare periodicals, and new research by many leading scholars. Full texts to read, download, and print.
• The Concertina Novice - Resources for novice players of the American Chemnitzer Concertina .
• Concertina.net - A complete resource for the anglo concertina enthusiast .
• Difficult Chords for Concertina Players - A guide to various chords, listed by type.
• The MacCann Duet Concertina - Authoritative source for the instrument patented in 1884 by John Hill MacCann. Offers complete scanned instructional booklet published by the inventor in 1902.
• Polish Fireball's Chemnitzer Concertina Music Site - The Web resource for free sheet music with special notation for the Chemnitzer Concertina.
• Wheatstone Concertina Ledgers - Colour scans of C. Wheatstone and Co. production and sales ledgers, from the concertina document archives of the Horniman Museum in London.