| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Northrop P-61 Black Widow Pilot's Flight Manual | 978-1-4116-8900-8 (1-4116-8900-3) | 2006 |
| Northrop Yb-49 Flying Wing Pilot's Flight Manual: Pilot's Flight Operating Instructions | 978-1-4116-8866-7 (1-4116-8866-X) | 2006 |