| Title | The Northrop Story 1929-1939 |
| Authors | Allen |
| Publisher | Schiffer |
| Year | 1993 |
| Types Covered | Loughead HS2L flying boat, F-1 flying boat, F-1A landplane, S-1 biplane; Ryan M-1 monoplane; Breese-Wild cabin monoplane; Lockheed Vega, "Experimental No. 1"; Avion (Northrop) 1929 "Flying Wing"; Northrop Alpha (Y1C-19); Lockheed Orion; Northrop Beta, Delta, Gamma attack bombers (Gamma 2E, Gamma 2L, Gamma 5B, Gamma 2C [YA-13, XA-16]), A-17 (Nomad); Northrop/Douglas 8A-5; Northrop Gamma 2J2 attack bomber, XFT-1, N3PB Norwegian floatplane patrol bomber, N-1M "Jeep" flying wing, Northrop 5A |
| Cockpit Details | Lockheed Alpha TWA mailplane (p. 18, 19), Loughead F-1 flying boat (p. 2), Northrop Gamma instrument panel (p. 37), Northrop Delta (p. 147) |
| Wheel Well Details | |
| Other Details | Northrop Gamma engine bay (p. 35) |
| Cutaway Drawings | Northrop Delta Mk.II floatplane (p. 113) |
| Multiview Drawings | Avion [Northrop] 1929 "Flying Wing" (p. 10, 11), Northrop Delta (p. 112, 165-167), Northrop Gamma (p. 160-163), XFT-1 (p. 103, 104) |
| Generic Camouflage Patterns | |
| Generic Markings Patterns | |
| Specific Markings Profiles | Canadian Northrop Nomad [A-17A] (p. 101), Northrop Delta (p. 168, 169), Northrop Gamma (p. 158, 159, 164) |
| Notes | |
