http://pec.lib.wvu.edu/record/P188761959Contract in the Mould Making Department between the American Flint Glass Workers' Union of North America AFL-CIO and the Glass Container Manufacturers Institute, 1959-1961.<p> Pamphlet. "Concluded and adopted at a conference held in Pittsburgh, Pa., November 2, 1959. Effective September 1st, 1959 and to continue effective until August 31, 1961."</p>American Flint Glass Workers' Union.Glass Container Manufacturers Institute.Glassworkers--Labor unions--United States.American Flint Glass Workers' Union.Glass Container Manufacturers Institute.Labor contract--United States.14256