Ona Kingbird teaching Anishinaabemowin (the Ojibwe language) to students at the Heart of the Earth Survival School, November 28, 1972. From the Minneapolis and St. Paul newspaper negatives collection, Minnesota Historical Society.

Lydia Pettijohn Huggins, ca. 1870s. Huggins and her husband led farming work at Lac qui Parle; Lydia also helped run the school.

Fragment of a nineteenth-century slate board and pencils found at the site of the Lac qui Parle Mission in the 1940s. From the archaeology collection (PUID 293.3) of the Minnesota Historical Society.

A road leading to Armstrong Bay at Lake Vermilion Stake Park. Photograph by Wikimedia Commons user Tony Webster, March 13, 2018. CC BY 2.0

Black academic hood made by Cotrell & Leonard of Albany, New York, and given by the University of Minnesota to Gratia Countryman as part of an honorary Master of Arts degree, 1932. It features a white velvet band with gold and maroon lining.

Minneapolis students sit in front of the Minneapolis Public Schools Administration Building to display signs showing their support for striking teachers on April 9, 1970. Photograph by Charles Bjorgen for the Minneapolis Star. From box 299 of the Twin Cities Newspapers Negatives Collection, Minnesota Historical Society.

Minneapolis students climb the Minneapolis Public Schools Administration Building to display signs showing their support for striking teachers on April 9, 1970. Photograph by Charles Bjorgen for the Minneapolis Star. From box 299 of the Twin Cities Newspapers Negatives Collection, Minnesota Historical Society.

Minneapolis students show support for striking teachers, April 10, 1970. Photograph by Buzz for the St. Paul Dispatch/Pioneer Press. From box 281 of the Twin Cities Newspapers Negatives Collection, Minnesota Historical Society.

Minneapolis teachers on strike, April 9, 1970. Photograph by Charles Bjorgen for the Minneapolis Star. From box 299 of the Twin Cities Newspapers Negatives Collection, Minnesota Historical Society.

Minneapolis teachers on strike, April 9, 1970. Photograph by Church for the St. Paul Dispatch/Pioneer Press. From box 281 of the Twin Cities Newspapers Negatives Collection, Minnesota Historical Society.