G.B. · Gerald B. · Gerald H. Balzer
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| American Secret Pusher Fighters of World War II: XP-54, XP-55, and XP-56 | 978-1-58007-125-3 (1-58007-125-2) | 2008 |
| Northrop F-89 Scorpion | 978-0-942548-45-7 (0-942548-45-0) | 1990 |