http://pec.lib.wvu.edu/record/P14672[1939]Rules and wages for Miscellaneous Division, American Flint Glass Workers' Union of North America as agreed to in Joint Conference of Representatives of the National Association of Manufacturers of Pressed and Blown Glassware and the American Flint Glass Workers' Union of North America, 1939-1940. <p> Pamphlet. "Effective the first Monday in September 1939, and to continue in effect until the first Monday in September, 1940."</p>National Association of Manufacturers of Pressed and Blown Glassware.Glassworkers--Labor unions--United States.American Flint Glass Workers' Union.Labor contract--United States.14256