New New York DSA Facebook group
Members of the New New York City Democratic Socialists of America Public Facebook Group, as of June 27, 2018 included David Berger.
Second Venceremos Brigade
In 1970 David Berger from Westmont, New Jersey, was a member of the first Venceremos Brigade to Cuba.
- ↑ 
- ↑ THE THEORY AND PRACTICE OF COMMUNISM IN 1972 (Venceremos Brigade) PART 2, hearings before the Committee on Internal Security 92nd Congress oct 16-19, 1972 pages 8136-8138