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Subject
- Actors and actresses--United States.2
- Aerial cinematography.1
- Aeronautics, Military.2
- Aeronautics.4
- Air mail service--United States.1
- Air mail service.1
- Air pilots--France.1
- Air pilots--Training of.1
- Air pilots--United States.1
- Air pilots.3
- Air warfare.1
- Aleutian Islands (Alaska)--History, Military.1
- Allied Forces.1
- Ammunition.3
- Anderson, Orvil A.1
- Andrews, Frank Maxwell, 1884-1943--Military service.1
- Antiaircraft artillery.5
- Armed Forces.1
- Armed forces.1
- Armored vehicles, Military--History.1