Abstract The Earl Noldin Papers contain material documenting Noldin's activity within the rail unions, and his work as an organizer for the Industrial Workers of the World (I.W.W.). Types of material include personal and union-related correspondence including letters between Noldin and a prison inmate, Dan Crombie; union card and dues books; a large scrapbook of articles written by Noldin for the I.W.W. newspaper Industrial Worker; an incomplete set of United Railroad...