Trade unionism / Henry H. Slesser ... Schloesser, Henry H. Labor unions Great Britain. 331.881 SLT Microfilm. New York, N.Y., Columbia University Libraries, 1999. 1 microfilm reel, 35 mm. Filmed; NEH Project (FMEST); 1999. Master negative: 1999-84791-13. No. 13 on a reel of 14 titles. London : Methuen, 1921. 1999. 1921. 1921 Text vii, 136 p. :' 1 microfilm reel, 35 mm. eng Great Britain.