Political Organizations, consists of printed materials from The League for Industrial Democracy and The Southern Conference Education Fund. The League for Industrial Democracy materials consist of form letters, ballots, flyers, reports, and pamphlets from 1955 1958, while The Southern Conference Educational Fund materials consist of speech transcripts, form letters, minority caucus resolutions, policy committee report positions, and a newspaper (the Southern Patriot) from the years 1973 1975 that chronicle internal political disputes over party ideology and strategy. Also included is correspondence from 1956 1965 between De Leon and League for Industrial Democracy members including Sidney Henchberg, Harry Laidler, Andre Shifften, and Norman Thomas that focus upon De Leon's disenchantment with the League's lack of organizational activism as well as a 1974 letter to Ann Braden and Penny Lane of The Southern Conference Education Fund.
