| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-9546711-0-5 | Robert Howard | An A to Z of the Accordion and Related Instruments: v. 1 |
| 2005 | 978-0-9546711-1-2 | Robert Howard | An A to Z of the Accordion and Related Instruments: v. 2 |
| 2007 | 978-0-9546711-2-9 | Rob Howard | An A to Z of the Accordion, Vol. 3 |