Ronning Ensilage Harvester (side) patented by Andrean and Adolph Ronning of Minneapolis in 1915. Manufactured by the American Harvester Company, also of Minneapolis.
Ronning road planer prototype
Rookwood tile owned by Henrietta Barclay Paist and used in her studio in St. Paul.
Roy Wilkins, c. 1955
Roy Wilkins (center) with Martin Luther King and Thurgood Marshall, c. 1959
Roy Wilkins (second from left) with Samuel Richardson (left), unidentified man, and Governor Wendell R. Anderson (far right), 1975.
Ruins of Weber's residence after cyclone, Rochester. Stereograph by J. C. Cook, August 21, 1883.
Ruth Boynton, who would go on to direct the University of Minnesota Student Health Service from 1936 to 1961.
Ry-Krisp Company, 824-830 Sixth Avenue Southeast, Minneapolis, c. 1925.
Political poster depicting Sidney M. Owen, the Farmers' Alliance candidate for governor, 1890