John Ireland speaking at the dedication of the Exposition Building, August 23, 1886.

Cass Gilbert standing before the partially completed State Capitol dome, 1901.

Cass Gilbert on the roof of the State Capitol, 1901.

People standing beside a large stone to be used in the construction of the State Capitol, c.1900. Photographer: Cass Gilbert.

Cass Gilbert and staff during construction of the State Capitol, St. Paul, c.1900.

Cass Gilbert's wife Julia F. Gilbert, 1880–1885

Cass Gilbert, 1880.

Cass Gilbert, 1907. Photograph by Pach.

Soo Line Railway ticket, including free admission to the Exposition Building, October 1888.

Medal commemorating the 1887 Minneapolis Industrial Exposition, showing the Exposition Building (back).