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are: Notes from students in Perlman's classes in American Labor History, and Capitalism and Socialism; Six previously unpublished chapters written by Perlman for a revision of his "History of Trade Unions"; Correspondence between Perlman and John R. Commons; and several personal documents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.Contains a number of documents that shed light on the thought of Selig Perlman, historian and interpreter of American labor history. ...Samuels is in the Department of Economics at Michigan State University. Journal of Economic Literature