Topic
- Parades21
- Sit-down strikes18
- Dodge Division16
- Flags16
- Buses14
- Meat industry14
- Police Dept.14
- Veterans13
- World War, 1939-194513
- Bus drivers12
- Political candidates12
- Politicians12
- Street-railroads12
- United States Capitol (Washington, D.C.)12
- Washington (D.C.)12
- School buses11
- Anti-apartheid activists10
- Anti-apartheid movements10
- Arab-Israeli conflict10
- Demonstations10