Supplement 8 contains an archival collection of Selig Perlman's eminent history of the labor movement, pertaining to Institutional Economics at the University of Wisconsin. Included are: Notes from students in Perlman's classes in American Labor History, and Capitalism and Socialism; Six previously unpublished chapters written by Perlman for a revision of his "History of Trade Unions"; Correspondence between Perlman and John R. Commons; and several personal documents of Perlman's.