Many arrested shirtwaist strikers were brought to Jefferson Market Courthouse, tried, and given harsh sentences. These women, arrested on the picket lines circa 1910, were sent to Blackwell’s Island (presently Roosevelt Island) to serve out their sentence. In this photograph, they proudly wear signs reading Workhouse Prisoner. Arrested shirtwaist strikers wearing signs that read "Workhouse Prisoner."

Courtesy of the International Ladies' Garment Workers' Union Archives, Kheel Center, Cornell University.