The North American Gladiolus Council dedicated the International Gladiolus Hall of Fame in the James A. Michener Library at the University of Northern Colorado in 1980. It is a repository for gladiolus literature from throughout the world and honors both outstanding gladiolus varieties and persons who have notably contributed to gladiolus culture.
Documents relating to the settlement of Dearfield, Colorado and the life and business of its founder, O.T. Jackson. Jackson established Dearfield in 1910 as an agricultural colony, and at its most prosperous it had 200 to 300 residents. The Great Depression and Dust Bowl caused the town to decline during the 1920s and 30s. After Jackson's death in 1948 it became a ghost town and is now listed on the National Register of Historic Places.
Paul Stewart (1925-2015) founded the Black American West Museum and Heritage Center in Denver, Colorado. The materials in this collection include interviews Stewart conducted with Black pioneers as well as images and notes he collected related to Colorado's African American history, particularly the Dearfield settlement in Weld County.
The Petteys Collection of Women Artists consists of fifty works by nineteenth and twentieth century artists including Mary Cassatt, Käthe Kollwitz, Elizabeth Catlett, Louise Nevelson, and Claude Raguet Hirst among others. It is a stylistically diverse and wide ranging collection that encompasses drawing, painting, printmaking, sculpture, and photography.