Cite

Harris, Teenie, 1908-1998. "Men protesting with signs reading "United Steel Workers of America taking work from laborers, Unfair to General Labor, Local Union 178 affiliated with AFL CIO" outside Commonwealth Building." Carnegie Museum of Art. 1940/1975, http://www.cmoa.org/CollectionDetail.aspx?item=7484.

Harris, Teenie, 1908-1998 (1940/1975). Men protesting with signs reading "United Steel Workers of America taking work from laborers, Unfair to General Labor, Local Union 178 affiliated with AFL CIO" outside Commonwealth Building. Retrieved from http://www.cmoa.org/CollectionDetail.aspx?item=7484

Harris, Teenie, 1908-1998. "Men protesting with signs reading "United Steel Workers of America taking work from laborers, Unfair to General Labor, Local Union 178 affiliated with AFL CIO" outside Commonwealth Building." 1940/1975. July 6, 2025. http://www.cmoa.org/CollectionDetail.aspx?item=7484.