Men tarred and feathered in Minnesota during 1918 campaign by anti-Nonpartisan Leaguers, c.1918.

Governor Elmer Benson signing a bill with Grange Master William B. Pearson looking on, 1963. Photographed by Eugene Debs Becker.

The Women's International League for Peace and Freedom, greeted by Mayor Anderson of Minneapolis, 1931.

"The European Seminar, July-August, 1938." Itinerary pamphlet cover and pages 1–2. From the Arthur Brin and family papers (1891–1988) in the Manuscript Collection of the Minnesota Historical Society.

"The European Seminar, July-August, 1938." Itinerary pamphlet, pages 1–2. From the Arthur Brin and family papers (1891–1988) in the Manuscript Collection of the Minnesota Historical Society.

"The European Seminar, July-August, 1938." Itinerary pamphlet cover and pages 1–2. From the Arthur Brin and family papers (1891–1988) in the Manuscript Collection of the Minnesota Historical Society.

Arthur and Fanny Brin, undated. From the Arthur Brin and family papers (1891–1988) in the Manuscript Collection of the Minnesota Historical Society.

Nellie Stone Johnson, c.1935.

Flyer, with photo, advertising a Communist Party-sponsored event, 1946. Nellie Stone Johnson was the featured speaker at the 22nd Anniversary Lenin Memorial Meeting to raise money for striking union workers.

Nellie Stone Johnson (far right) with NAACP leaders, including Anthony Cassius (far left); publisher Milton G. Williams (third from left); and Howard Bennett, later appointed Minnesota’s first black judge (second from right), 1954.