David Henderson ...
New American Movement
In 1980 David Henderson, Seattle, was a delegate to the December 12-14 Chicago, National Council meeting of the New American Movement.
DSA Conference delegate
In 1983 David Henderson was a Seattle, Washington delegate to the Democratic Socialists of America conference in New York City, October 14-16, 1983
- ↑ NAM National Council meeting notice Dec 12 1980
- ↑ DSA Conference delegate list Oct. 12 1983 update