| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Breaking The Chains: A Catholic Memoir | 978-0-595-36096-3 (0-595-36096-3) | 2005 |
| Computer Models for Business Decisions/Book and Disk, Program Disk for Use on the IBM Pc/XT | 978-0-471-91013-8 (0-471-91013-9) | 1987 |
J. W. · J. Willis · R.J. · R.J.W. · R.J. Willis · R. Willis · Robert J. · Robert W. · Robert Willis