This collection of more than 1,500 stock certificates was assembled by Earl Bennett over the span of approximately 20 years. There is a particular focus on certificates issued by mining operations in Idaho, but a variety of industries and states are also represented.

WWII POW Experience memorabilia including books, photos, framed collages/prints, medals and other items.

Handmade belt buckle owned by John Carrey.

Dizzy Gillespie was a jazz trumpeter, percussionist, pianist, and vocalist. This collection includes memorabilia that belonged to the artist.

Documents and artifacts submitted by Dusty Fleener.

Al Grey was a jazz trombonist and bandleader. Rosalie Soladar was his companion and personal manager. Materials in this collection span most of Grey's career after their partnership. The collection includes contracts and schedules of Al Grey's engagements, correspondence, arrangements, clothing, artifacts and ephemera, audiotape master recordings, and a trombone.

Lionel Hampton was a jazz vibraphonist, drummer, pianist, composer, and bandleader. The materials in this collection span most of his musical career. The collection includes personal papers and business records, photographs, musical compositions, audiotape master recordings (in a variety of formats), and six musical instruments, including a vibraphone.

Correspondence relating to the University of Idaho's gifts to Hiroshima University in 1951 and roof tiles collected from the riverbed in Hiroshima.

Papers and artifacts related to Thomas B. Keith's time serving in the US Army during World War II, in the European Theatre. Some materials relating to Keith's time as a professor at the University of Idaho.

Political and personal papers of Senator James A. McClure and papers of Louise McClure.