Related Clues:
- Organizer of many a sit-in: Abbr.
- The Port Huron Statement org.
- 1960s campus org.
- '60s protest gp
- '60s militant gp.
- Old leftist gp. revived in 2006
- 1960s campus grp.
- '60s radical sit-in grp.
- 1960s sit-in grp
- Teach-in org. of the '60s
- 1960s teach-in grp
- 'New Left' org
- '60s radical grp
- Vietnam-era protest org
- '60s campus gp