| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1988 | 978-0-9614167-0-6 | Allan N. Tonnon | The Complete Guide to Washington Real Estate Practices |
| 1998 | 978-0-9614167-1-3 | Alan N Tonnon · Alan N. Tonnon | The complete guide to Washington real estate practices |
| '' | 978-0-9614167-3-7 | Jim Stacey | Seattle Homes: Real Estate Around the Sound |