| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1987 | 978-0-940519-00-8 | John H. Reed | Directory of Treasure Hunting, Prospecting, and Related Organizations |
| '' | 978-0-940519-02-2 | John H Reed | Directory of back-issue treasure magazine buyers, sellers, and traders |
| 1991 | 978-0-940519-03-9 | John H. Reed | Treasure Hunting and Prospecting Events: Conferences, Conventions, Treasure Hunts and Other Events Related to Treasure Hunting & Prospecting |
| 1989 | 978-0-940519-04-6 | '' | Treasure Hunting Bibliography and Index to Periodical Articles |
| 1991 | 978-0-940519-11-4 | John Deer | Pen Pal and Correspondence Clubs for Single Adults: A Directory |