Polish New World Dance Group, April 23, 1936.

Margaret Roszak and Stella Roszak Czechowicz were among the second-generation Polish Minnesotans who raised money for the cause of a free Poland, ca. 1920.

Polish children in traditional dress appeal for aid to Poland, ca. 1918.

Wedding picture of Chinese immigrant James Mar and Polish American Julia Zyzner with Zyzner's parents, Silver Lake, Minnesota, 1908.

Students of St. Stanislaus School with their teacher, ca. 1900. Immigration History Research Center Archives, University of Minnesota, Minneapolis.

The Franciszek Otto family in front of their farmhouse in Lincoln County, Minnesota, ca. 1890s. Immigration History Research Center Archives Photograph Collection, University of Minnesota, Minneapolis.

A five-year-old Hy Berman, left, with his grandmother, mother, and brother Harold in New York City, 1930. CC BY-SA 3.0

Hannah Jensen holding a piglet in front of the Jensen family cabin, ca. 1890s. Otter Tail County Historical Society, Fergus Falls.

Johannah and John Jensen in Norway, ca. 1885. Otter Tail County Historical Society, Fergus Falls.

The cabin of Ole and Martha Jensen, Friberg Township, undated. Otter Tail County Historical Society, Fergus Falls.