| 60's org. | 13 |
| 60's coll. radicals | 23 |
| 60's campus org. | 20 |
| 1968 Columbia U. protesters | 27 |
| 1960s protest org. | 18 |
| 1960s campus org. | 17 |
| 1960's radical grp. | 23 |
| '60s radical sit-in org. | 28 |
| '60s campus org. | 20 |
| '60s campus grp. | 20 |
| '60s "New Left" gp. | 33 |
| Youth org. active in the 60's | 33 |
| Vietnam-era protest org. | 24 |
| Vietnam War-era org. | 20 |
| Vietnam War opposer: Abbr. | 26 |
| Univ. rebels of the '60s | 28 |
| Tom Hayden's 60's org. | 30 |
| Tom Hayden org. of the 60's | 31 |
| Teach-in org of the '60s | 28 |
| Student radical org. | 20 |
| Student org. in the 60's | 28 |
| Student org. active in the 1960's | 37 |
| Student grp.of the 1960s | 24 |
| Student gp. in the 60's | 27 |
| Sixties' student org. | 25 |
| Sixties org. on campuses | 24 |
| Sixties grp. | 12 |
| Sixties coll. group | 19 |
| Revolutionary Youth Movement org. | 33 |
| Relatives of Ph.D.'s | 24 |
| Recently revived activist org. | 30 |
| Radical student org. | 20 |
| Radical sixties gp. | 19 |
| Radical org. of the '60s | 28 |
| Radical org. | 12 |
| Radical college org. | 20 |
| Radical coll. group | 19 |
| Radical campus org. | 19 |
| Radical 60's gp. | 20 |
| Radical 60's campus grp. | 28 |
| Radical 1960s grp. | 18 |
| Radical 1960's grp. | 23 |
| Puget and Pamlico: Abbr. | 24 |
| Port Huron Statement org. | 25 |
| Organizer of many a sit-in: Abbr. | 33 |
| Org. that called 60's strikes | 33 |
| Org. that called '60s strikes | 33 |
| Onetime New Left org. | 21 |
| Old sit-in stagers: Abbr. | 25 |
| Old march organizers: Abbr. | 27 |
| Old march organizer: Abbr. | 26 |
| Old leftist grp. | 16 |
| Old leftist gp. revived in 2006 | 31 |
| Old campus grp. | 15 |
| Old activist org. revived in 2006 | 33 |
| Newsmaking 60's grp. | 24 |
| New Left activist grp. of the '60s | 38 |
| Militant campus org. of the 60's | 36 |
| Militant 60's campus org. | 29 |
| Mark Rudd's org. | 20 |
| March grp., once | 16 |
| It spawned the Weather Underground Org. | 39 |
| Grp. that spawned the Weathermen | 32 |
| Grp. that opposed the Vietnam War | 33 |
| Grp. opposed to the Vietnam War | 31 |
| Grp. in 60's news | 21 |
| Grp. behind some '60s strikes | 33 |
| Gp. that opposed the Vietnam War | 32 |
| Gp. that had Tom Hayden as a president | 38 |
| Gp. opposed to the Vietnam War | 30 |
| Gp. for Bill Ayers | 18 |
| Former univ. militants | 22 |
| Former campus activist org. | 27 |
| Drafters of the Port Huron Statement: Abbr. | 43 |
| Disruptive '60s campus gp. | 30 |
| Dated student org. | 18 |
| Controversial campus org. | 25 |
| College group: Abbr. | 20 |
| College activist org. | 21 |
| Coll. org. in the 60's | 26 |
| Certain mail: abbr. | 19 |
| Campus political grp. | 21 |
| Campus org. that opposed the Vietnam War | 40 |
| Campus org. active in the 60's | 34 |
| Campus militants: Abbr. | 23 |
| Campus militants | 16 |
| Campus activists' org. | 26 |
| Campus activist org. revived in 2006 | 36 |
| Campus activist org. reformed in 2006 | 37 |
| Campus activist gp. of the 1960s | 32 |
| Antiwar grp. | 12 |
| Antiwar demonstrators' org. | 31 |
| Activist gp. with a clenched fist in its logo | 45 |
| Activist campus org. of the '60s | 36 |
| 60's radicals: Abbr. | 24 |
| 60's radical org. | 21 |
| 60's protest org. | 21 |
| 60's college org. | 21 |
| 60's antiwar grp. | 21 |
| 1968 Columbia Univ. protest gp. | 31 |