The Minnesota Club at Fourth and Cedar Streets, St. Paul, c.1914.

The entrance to the Germania Life Insurance Building (later called the Guardian Life Building) in St. Paul, 1890.

The Germania Life Insurance Building (later called the Guardian Life Building), in St. Paul, 1903–1905. Photographed by Charles P. Gibson.

Exterior, L. S. Donaldson Company, 1949. Photograph by Norton & Peel.

Donaldson’s Glass Block, 1944. Photograph by Norton & Peel.

Donaldson’s Glass Block, c.1920. Photograph by Charles P. Gibson.

James J. Hill House on Summit Ave., St. Paul, c.2010.

James J. Hill residence on Ninth and Canada, St. Paul, 1884.

Motor Corps headquarters at Colonel Winfield Stephens' Buick dealership in Minneapolis, c.1918. Photograph from Minnesota Historical Society Sound and Visual Collection II.4.

Minnesota Machinery Museum, Hanley Falls, date unknown.