| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1989 | 978-0-9624236-0-4 | John A Tirone · John A. Tirone | The home buyer income qualification manual: Includes comprehensive HP-17B and HP-19B routines |
| 1991 | 978-0-9624236-1-1 | John A. Tirone | The Home Buyer Income Qualification Manual, 1991 Supplement - Includes Comprehensive HP 17BII and HP 19BII Routines |
| 1996 | 978-0-9624236-4-2 | '' | Professional Real Estate Problem Solving Using the HP 12C |