Contact the Library
Stephen H. Hart Library and Research Center
History Colorado Center
Denver, CO 80203
Email Librarian: cosearch(at)state.co.us
Email Photo Librarian: photos(at)state.co.us
Email Curators: curator(at)state.co.us
Hours: Wednesday - Saturday 10am - 2pm
Aultman Studio Collection
The Aultman studio operated in Trinidad from 1889 through the 1990s. We have the work of founder Oliver Aultman, his brothers, and his son from 1889 to 1927. The portraits reflect the diversity of southern Colorado.
William Henry Jackson
W. H. Jackson is a noted photographer of the American West. The collection includes original prints, including images from the Hayden Survey expeditions of the 1870s, and over 7,500 glass plate negatives.
Fred Mazzulla Collection
Attorney Fred Mazzulla amassed a vast and eclectic collection documenting Colorado and the West. The collection includes images of American Indians, outlaws, prominent people, prostitutes, and much more.