Topic
- Civil rights demonstrations30
- Police30
- Peace movements29
- Automobiles28
- Governor28
- Meetings28
- Pickets28
- Presidents28
- Antinuclear movement26
- Armistices26
- Cities & towns26
- Parks26
- World War, 1939-194526
- Hats25
- Political campaigns22
- Rock concerts22
- Sashes (Clothing)22
- Snow fences22
- Vietnam Moratorium, 196922
- Parades & processions20