Kaross, Sonia Baltrun,

Communist activist Sonia Baltrun Kaross worked as an organizer for the United Textile Workers (UTW) in Massachusetts, Pennsylvania, and California in the 1920s and 1930s. She led a sucessful textile workers' strike at the California Cotton Mill in Oakland, Calif., in the early 1930s, later representing the United Textile Workers on various central labor councils in San Francisco.

From the description of Sonia Baltrun Kaross oral history and papers, 1977. (California Historical Society). WorldCat record id: 613658259