Biography
John J. Blaczik was confined indefinitely for contempt of an injunction during the Aberle hosiery strike in Philadelphia, according to the January 29 dispatch. The account supplies no exact arrest, admission or release day. Daily Worker, January 30, 1930, page 3. Source: https://www.marxists.org/history/usa/pubs/dailyworker/1930/v06-n281-NY-jan-30-1930-DW-LOC.pdf