Other
Defense industry
Women
7
Employment
6
War rallies
6
World War, 1939-1945
4
Economic & industrial aspects
3
Vocational education
3
War work
3
Aircraft industry
2
Boat & ship industry
2
Bombs
2
Ordnance industry
2
Steel industry strikes
2
Strikes
2
Adult education
1
Air bases
1
Air pilots
1
Air raid drills
1
Aircraft
1
Armories
1
Arms & armament
1
Boat & ship industry strikes
1
Business & finance
1
Clock & watch industry
1
Clothing trade
1
Communication devices
1
Conservation & restoration
1
Construction industry
1
Defense industry strikes
1
Education
1
Electrical apparatus industry
1
Engineering
1
Entertainers
1
Explosives
1
Fireboats
1
Flags
1
Hours of labor
1
Industrial buildings
1
Lathes
1
Launchings
1
Law enforcement
1
Machine guns
1
Machine shops
1
Machinery industry
1
Military parades & ceremonies
1
Military uniforms
1
Mumming
1
Musical instruments
1
Naval operations
1
Naval yards & naval stations
1
more ...