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).

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

Woven silk ribbon featuring the Exposition Building, 1886.

Matchbook with an image of the West Hotel (front).

Matchbook with an image of the West Hotel (back).