| Digest Nr | Subject and Author |
 |
| 2019.11.27.01 | Lewis Doman Maestro 50-note Push-up Player, from Scotty Greene |
| 2017.09.27.05 | Lewis Doman Maestro 50-note Push-up Player, from Scotty Greene |
| 2017.09.19.03 | Lewis Doman Maestro Keytop Organ Player, from Ed Bottegal |
| 2003.04.30.01 | Lewis Graham Museum of Music in Scarsdale, NY, from Jere Ryder |
| 2001.12.04.05 | Lewis B. Doman of Amphion & Ampico, from Craig Brougher |
| 1998.12.15.02 | Lewis Carroll's Musical Instruments, from Todd Augsburger |
| 1998.10.28.08 | Sinclair Lewis and Mechanical Music, from Damon Atchison |
| 1998.10.27.03 | Sinclair Lewis and Mechanical Music, from Joyce Brite |
| 1998.10.25.02 | Sinclair Lewis and Mechanical Music, from Damon Atchison |
| 1997.10.07.04 | Sinclair Lewis on Art in America, from George Bogatko |
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