Wedding portrait of Woo Yee Sing and Liang May Seen. Photograph by George M. Dempsie, c.1893.

Liang May Seen and Woo Yee Sing while on their honeymoon at the Columbia Exposition in Chicago, Illinois. 1893.

Liang May Seen with her son, Howard. Photograph by George M. Dempsie, c.1910.

Photograph of John Keller’s room by St. Paul Dispatch photographer, published on April 13, 1905. This is where William Williams shot and killed Keller and his mother on April 12. Image reproduced from microfilm at the Minnesota Historical Society with permission from the St. Paul Pioneer Press.

Photograph of William Williams. Photo taken by a St. Paul Dispatch photographer in the county jail on April 13, 1905. Image reproduced from microfilm at the Minnesota Historical Society with permission from the St. Paul Pioneer Press.

Bird's-eye view of Vasa (Goodhue County), the first Swedish colony in Minnesota. Postcard c.1900.

Hans Mattson. Cabinet photograph c.1885 by William R. Miller.

Cherstin Mattson, Hans Mattson's wife. Carte-de-viste c.1865.

Daguerreotype of Hans Mattson ca. 1863.