Picketing; Detroit. Picketing Mayfair Ballroom Pickets Pickets--Michigan--Detroit--1930-1940 Mayfair Ballroom (Detroit, Michigan) Mayfair Ballroom (Detroit, Michigan)--1930-1940 Walter P. Reuther Library, Archives of Labor and Urban Affairs, Wayne State University Detroit News (Firm) 1939-04-27 Image photographs tiff wayne:vmc9677_3 vmc9677_3 http://digital.library.wayne.edu/item/wayne:vmc9677_3 http://digital.library.wayne.edu/item/wayne:vmc9677_3/thumbnail Detroit News Photograph Collection (UAV002691) Virtual Motor City Michigan Detroit 1930-1940 Copyright Walter P. Reuther Library, Archives of Labor and Urban Affairs, Wayne State University