USO Case Book: Unidentified Submerged Objects Throughout History
| # | Entity ▲ | Mentions | View |
|---|---|---|---|
| 1 | Admiralty | 1 | Details |
| 2 | Air Force | 2 | Details |
| 3 | Argus | 1 | Details |
| 4 | Blue Book | 9 | Details |
| 5 | Bluebook | 7 | Details |
| 6 | bluebook | 7 | Details |
| 7 | British India Company | 1 | Details |
| 8 | Bureau | 2 | Details |
| 9 | Director of Naval Intelligence | 1 | Details |
| 10 | Flying Salsa Review | 1 | Details |
| 11 | Grudge | 1 | Details |
| 12 | Janop 146C | 1 | Details |
| 13 | Navy | 3 | Details |
| 14 | Project Sign | 1 | Details |
| 15 | RCA | 1 | Details |
| 16 | Scientific American | 1 | Details |
| 17 | SS | 6 | Details |
| 18 | Technical Intelligence Center | 1 | Details |
| 19 | the British Navy | 1 | Details |
| 20 | the Dame School | 1 | Details |
| 21 | the Danish Meteorological Institute | 1 | Details |
| 22 | the Department of Works | 1 | Details |
| 23 | the National Library of Australia | 1 | Details |
| 24 | the Royal Australian Air Force's | 1 | Details |
| 25 | the Seoul Foundation | 1 | Details |
| 26 | the Soviet Navy | 1 | Details |
| 27 | UAPGurb | 1 | Details |
| 28 | USAP Intelligence | 1 | Details |
| 29 | USO | 26 | Details |
| 30 | USOs | 2 | Details |