http://pec.lib.wvu.edu/record/P20271910Souvenir history of the American Flint Glass Workers' Union.Monograph. "Presented by Local Unions No. 28, 62, 81 and 83 of the A.F.G.W.U. to the Delegates of the Toledo, Ohio, 1910, Convention. Rowe, Thomas W.American Flint Glass Workers' Union--History.14256