| 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. |
| Concertina.net: A complete resource for the anglo concertina enthusiast . |
| Difficult Chords for Concertina Players: A guide to various chords, listed by type. |
| Don Nichols' Concertina Page: Internal details about the concertina, information about specific concertina types, and information about stolen concertinas. |
| Polish Fireball's Chemnitzer Concertina Music Site: The Web resource for free sheet music with special notation for the Chemnitzer Concertina. |
| The Concertina Novice: Resources for novice players of the American Chemnitzer Concertina . |
| 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. |
| Wheatstone Concertina Ledgers: Colour scans of C. Wheatstone & Co. production and sales ledgers, from the concertina document archives of the Horniman Museum in London. |