Comprises material which was generated by the SEIU, including correspondence related to the George Scalise case. Scalise was BSEIU president until 1940 when he was jailed for extortion and income tax evasion. Both George Hardy and his father, "Pop" Hardy, took leading roles in fighting this corruption within the union. Series also contains handbills, clippings and correspondence from the Theater Janitors' strike in 1951, as well as pages from an oversized scrapbook of textual and visual material on the Theater Janitors' strike.