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Subject
- Aerial cinematography.2
- Aerial views.1
- Aeronautics.1
- Airships.1
- Autogiro Company of America.1
- Autogiros.1
- Automobiles.1
- Cable cars (Streetcars)1
- Lincoln Memorial (Washington, D.C.)1
- Mall, The (Washington, D.C.)1
- Megaphones.1
- Pennsylvania Avenue (Washington, D.C.).1
- Pitcairn, Harold F., 1897-1960.1
- Police training--United States.1
- Public safety.1
- Reporters and reporting.1
- Traffic safety.1
- United States Capitol (Washington, D.C.)[remove]3
- Washington (D.C.)--Aerial film and video footage.1
- Washington (D.C.)--Buildings, structures, etc.1