Subject
- Construction workers--United States.1
- Criminal justice, Administration of.1
- Dam failures--California.1
- Dams--California.1
- Deserts.1
- Disasters--Pennsylvania--Pittsburgh.1
- Disasters.1
- Distilleries.1
- Diving.1
- Edison, Thomas A. (Thomas Alva), 1847-1931.1
- Eisenhower, Dwight D. (Dwight David), 1890-1969.1
- Electric power-plants--Cuba.1
- Electric utilities--Accidents.1
- Electric utilities--Cuba.1
- Equipment and supplies.1
- Farms.1
- Fighter plane combat.1
- Fire extinction.1
- Fire fighters--New York (State)--New York.1
- Fire fighters--United States.1