Topic
- African American civil rights workers15
- Black nationalism15
- Republic of New Africa (Organization)15
- Vice presidents15
- Automobile racing14
- Miniskirts14
- Sailors13
- Airships12
- Birthday cakes12
- Community Services Administration12
- Laboratories12
- Legislative hearings12
- Mafia12
- National security12
- Oratory12
- Organized crime12
- Organized crime investigation12
- Parades12
- Racketeering12
- United States. Work Projects Administration12