Window Glass Cutters' League of America
The Window Glass Cutters' League of America (WCGLA) was a labor union representing workers involved in making flat glass in the United States.The union was founded in on December 6, 1917, in Charleston, West Virginia, as the Cutters' League.It soon renamed itself as the WCGLA, and relocated its headquarters to Columbus, Ohio.[2] In 1930, the union absorbed the Window Glass Cutters' and Flatteners' Association of America,[3] while in 1933, the Window Glass Cutters' and Flatteners' Protective Association of America merged in.[4] On August 1, 1975, it merged into the Glass Bottle Blowers' Association.