| Digest Nr | Subject and Author |
|---|
 |
| 2024.07.22.02 | Recordo Articles by Bob Billings in AMICA Bulletin, from Robbie Rhodes |
| 2023.11.03.02 | FS: Billings Rollography, Set of 5 Volumes, from Bob Conant |
| 2023.11.02.01 | Seek Billings Rollography Books, from James Williams |
| 2022.10.24.01 | FS: Billings Rollography, Vol. 1. and Vol. 4., from Rich Ingram |
| 2021.01.02.03 | Seek Billings Rollography Books, from James Williams |
| 2019.04.13.01 | Seek Billings Rollography, from Robin Hall |
| 2017.09.25.05 | Seek Billings Rollography Vol. 6 Tel-Electric, from Brad Verter |
| 2014.04.12.02 | QRS Piano Roll List "The Billings Rollography", from Lyle Merithew |
| 2013.04.29.07 | FS: Billings Rollography, First Five Volumes, from Bill Jelen |
| 2012.09.27.04 | FS: Billings Rollography, from Don Barton |
| 2012.01.30.08 | FS: Billings Rollography & Obenchain Rollography, from Gary Hanson |
| 2007.12.02.08 | Seek Billings Rollography & Recordo Rolls, from Brice Willis |
| 2006.09.29.04 | Seek Billings Rollography, from Jim Cullen |
| 2005.08.12.02 | Billings Rollography, from Bob Billings |
| 2005.08.10.10 | Seek Billings Rollography, from Tom Hutchinson |
| 2005.06.25.01 | Billings Rollography Ceases Publication, from Jill Miller |
| 2005.06.23.01 | Billings Rollography Ceases Publication, from Bob Billings |
| 2003.10.03.04 | Bob Billings, Master Craftsman, from Roy Clason |
| 2002.04.28.06 | Bob Billings' New Piano Roll Perforator, from Tim Baxter |
| 1999.07.25.01 | F. C. Billings & Staffnote Music Roll Co., from Thomas Billings |
| 1999.07.10.01 | Billings' Rollography -- A True Treasure, from Karl Ellison |
| 1999.05.18.03 | Seek QRS Rollography by Billings, from Karl Ellison |
| 1999.03.24.03 | Billings' QRS Rollography, Volume 6, from Matthew Caulfield |
| 1998.03.02.12 | J. Lawrence Cook in Billings' Rollography, from Bob Billings |
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