| Digest Nr | Subject and Author |
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| 2006.06.05.07 | Gap Between Tunes For A-roll Selectra Codes, from Don Teach |
| 2006.06.05.06 | Gap Between Tunes For A-roll Selectra Codes, from Bob Stewart |
| 2006.06.04.03 | Gap Between Tunes For A-roll Selectra Codes, from Bob Stewart |
| 2005.03.28.04 | Piano Roll Date Codes, from Niels Berkers |
| 2005.03.27.04 | Piano Roll Date Codes, from Dan Wilson, London |
| 2005.03.26.02 | Piano Roll Date Codes, from David Sharpe |
| 2005.03.25.03 | Piano Roll Date Codes, from John Farrell |
| 2005.03.24.03 | Piano Roll Date Codes, from Horacio Asborno |
| 2004.12.15.03 | Converting Ampico Piano Roll Expression Codes, from Spencer Chase |
| 2003.10.09.11 | Adding Expression Codes to 88-note Piano Rolls, from Spencer Chase |
| 2000.11.05.08 | Postal Codes & Parcel Shipping Delays, from Ed Gaida |
| 2000.11.04.03 | Postal Codes Speed the Mail, from Mike 'Fox' Morrey |
| 2000.11.04.02 | Postal Codes Speed the Mail, from Todd Augsburger |
| 2000.10.30.03 | Postal Codes Speed the Mail, from Kevin McElhone |
| 1998.12.23.08 | Price Codes on Duo-Art Rolls, from Julian Dyer |
| 1997.09.14.05 | Undocumented Windows 95 Error Codes, from Claus Kucher |
| 1997.02.26.03 | Telephone Codes in UK, from Phil Benson |
| 1996.12.16.07 | Date Codes on Piano Rolls, from Rob DeLand |
| 1996.12.13.06 | Date Codes on Piano Rolls, from Rick Inzero |
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