| Digest Nr | Subject and Author |
|---|
 |
| 2014.01.26.04 | Johnny Maddox "The World's Greatest Piano Rolls", from Tony Marsico |
| 2014.01.24.03 | Johnny Maddox "The World's Greatest Piano Rolls", from Art Reblitz |
| 2014.01.22.02 | Johnny Maddox "The World's Greatest Piano Rolls", from John Bartlett |
| 2014.01.22.01 | Johnny Maddox "The World's Greatest Piano Rolls", from Barry Dennis |
| 2005.07.29.02 | World's Mightiest Outdoor Wurlitzer Player Organ, from Robbie Rhodes |
| 2005.06.21.02 | World's Largest Floetenuhr/Flute Clock?, from Marcus Pregler |
| 2004.07.13.02 | Seek World's Smallest Self-Playing Pipe Organ, from Phillip Dami |
| 2004.07.09.02 | World's Smallest Self-Playing Pipe Organ, from Phillip Dami |
| 2004.07.02.03 | World's Smallest Self-Playing Pipe Organ, from Phillip Dami |
| 2004.06.28.01 | World's Smallest Self-Playing Pipe Organ, from Christian Greinacher |
| 2004.06.27.01 | Seek World's Smallest Self-Playing Pipe Organ, from Phillip Dami |
| 2003.04.08.04 | "The World's Music" AudioGraphic Music Rolls, from Julian Dyer |
| 2002.12.25.01 | World's First Self-Playing Tuba, from Robbie Rhodes |
| 2002.10.09.04 | " World's Greatest Piano Rolls" LP Records, from Jerry F. Bacon |
| 1995.10.30.11 | Chicago World's Fair, from Robin Pratt |
|
