| Digest Nr | Subject and Author |
|---|
 |
| 2007.07.06.01 | Who Invented the Player Piano?, from Will Herzog |
| 2007.07.03.03 | Who Invented the Electric Player Piano?, from Francoise Dussour |
| 2007.07.02.02 | Who Invented the Electric Player Piano?, from Bob Billings |
| 2007.07.01.03 | Who Invented the Player Piano?, from Adam G. Ramet |
| 2007.07.01.02 | Who Invented the Player Piano?, from Hans van Oost |
| 2007.06.30.02 | Who Invented the Player Piano?, from Jeff Bridges |
| 2003.02.05.03 | Joseph H. Dickinson Invented the Player Piano, from Joseph F. Evans |
| 1999.02.21.07 | Who Invented the Player Piano?, from Robbie Rhodes |
|
