mid-1920s, she became business manager of The Worker newspaper. Following the 1931 Estevan Coal Miners Strike, Buller spoke in support of formation of the Mine Workers' Union of Canada. On February 23, 1932, she faced preliminary hearing for rioting, for which she was convicted. On March 10, 1933, a retrial began; again, she was convicted and imprisoned for one year without fine in the North Battleford Prison. During the later 1930s, she managed the Mid-West Clarion party newspaper of Winnipeg until its repression under the War Measures Act (Defence of Canada Regulations). In 1940, during a crackdown on Communist Party members, Buller was arrested along with Louis Guberman and Jock McNeil and jailed in Portage la Prairie (1940–1942). Her husband Harry Guralnick was also interned at that time. Upon release from prison, she joined the Dominion Communist–Labor Total War Committee in Manitoba. She partook in the first national convention of the Labor-Progressive Party, when she was elected to the National Committee. Political organizing Arising from efforts in the Montreal Labour College, Buller became a co-founder of the Communist Party of Canada in Montreal." In August 1931, the Government of Canada made the Party illegal and sentenced eight Part leaders to a total of 37 years (an average 4-5 years each) in prison. Buller ran for public office several times. In 1932 she ran for a Toronto City Council position as a Workers United Front candidate. In 1952, she ran as a Labor-Progressive Party candidate in St. Paul's and again in 1956 (at age 61) in Spadina Ward. After World War II, Buller continued to be involved in CPC activities such as the campaigns to roll back prices organized by National Women's Commission and the Housewives' Association. She remained active in the CPC until her retirement from her publication responsibilities in the late 1950s. In 1955, Buller and Guralnick visited the Soviet Union. She visited the Stalin auto plant in Moscow. Buller wrote that she was 'greatly impressed' by the organization of the plant's workers and their working conditions. During the 1960s, she was active in the Anti-Vietnam War movement. Personal life and death Buller married Harry Guralnick (died 1972), who was an activist in the Jewish Labor League; they had one son, Jimmy. Buller met and knew "her American counterpart," Elizabeth Gurley Flynn, who supported Buller's efforts in writing and public speaking. Buller wrote for causes the Flynn supported, including