Abstract The collection contains newspaper clippings, magazine articles, trial transcripts, publicity materials, copies of congressional hearings, photographs, videocassettes, vinyl records and audio tapes. This material covers a variety of background materials on James R. Hoffa, covering the time period from 1956, when Hoffa was Vice President of the International Brotherhood of Teamsters, past his disappearance in 1975 to the election of his son, James Hoffa Jr., as General-President of the Teamsters.