Student Mobe sponsored national student strike, demonstrations in New York and San Francisco.
There were 346 groups with mailing addresses or publications or involved in sponsoring meetings or demonstrations around the country, said Klanwatch's director, Danny Welch, adding that there may be more.
When Martin Luther King, Jr. announced his opposition to the war and his intention to sponsor massive demonstrations against Vietnam as well as facial inequality, the tension began to build.
The organization has sponsored conferences, adult education, demonstrations and lawsuits.
The union has also sponsored demonstrations by carriers and their parents to turn subscribers and advertisers against the company's plan.
On Saturday nights the group sponsors events like dances and discussion groups and demonstrations of yoga and tai chi at the Unitarian Fellowship building in Mount Kisco.
By contrast, the local chapter of Operation Rescue, which sponsors demonstrations and vigils, maintains a mailing list of about 1,000 for its newsletter, The Boston Rescuer, Mr. Cotter said.
At the same time, labor unions are sponsoring demonstrations, conferences and meetings in 99 cities this month to push for the legislation.
On a campus where nearly a third of the students are Jewish, some support for the war is concentrated in organizations like Hillel, which has sponsored several demonstrations in favor of United States policy.