Biography
W. Ulrich was named with A. W. Mills and Steve Miller among five arrested when police broke up the Hands Off China meeting at Ferry and Chene in Detroit. The August 18, 1930 report supplies no exact arrest day or complete custody. Source: https://www.marxists.org/history/usa/pubs/dailyworker/1930/v07-n198-NY-aug-18-1930-DW-LOC.pdf#page=1
