| Digest Nr | Subject and Author |
|---|
 |
| 2017.12.21.01 | 1930 Hupfeld Photographs Book As PDF, from Jon Polden |
| 2017.12.13.06 | 1930 Hupfeld Photographs Book As PDF, from Paul Tuck |
| 2017.12.13.05 | 1930 Hupfeld Photographs Book As PDF, from Julian Dyer |
| 2017.12.12.03 | 1930 Hupfeld Photographs Book As PDF, from Jon Polden |
| 2017.12.07.03 | 1930 Hupfeld Photographs Book As PDF, from Marc Widuch |
| 2009.03.18.01 | Mechanical Music Photographs at Web Site, from William Griswold Jr. |
| 2008.12.21.01 | Seek Photographs of The Original Piano Trio, from Wayne Stahnke |
| 2002.01.08.06 | Photographs of Tuned Percussion Instruments, from John Weismantel |
| 2001.12.26.01 | Seek Photographs of Player Reed Organs, from Kevin McElhone |
|
