| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| User's Manual for Client Billing Manager: Apple Ii+, IIE Version, IBM Pc, PC Xt, PCJR Version, Trs-80 Modell Iii, IV Version | 978-O-O7-852O43-3 (O-O7-852O43-6) | 1984 |
A. J. · A. W. · J. W. · L a · L.J. · L. W. · Leonard A. · Leonard J. · Leonard Jr · Leonard W.