| Digest Nr | Subject and Author |
 |
| 2020.12.28.01 | Mechanical Royalty Stamps on Music Rolls, from Kevin McElhone |
| 2014.02.14.01 | Reproducing Pianos Owned by Royalty, from Rowland Lee |
| 2014.02.12.05 | Reproducing Pianos Owned by Royalty, from Richard Stibbons |
| 2014.02.12.04 | Reproducing Pianos Owned by Royalty, from Terry Leonard |
| 2014.02.11.02 | Reproducing Pianos Owned by Royalty, from Lester Wolff |
| 2001.09.05.04 | Publishers Royalty Stamps on US Rolls, from Adam Miller |
| 2000.04.20.04 | Publishers Royalty Stamps on US Rolls, from Adam Miller |
| 1998.05.24.01 | Non-Public Domain Tunes on AOL Must Pay a Royalty, from Rick Cooley |
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