The collection consists of two watercolor paintings donated and autographed by Las Vegas resident O.C. “Boots” LeBoutillier. The materials were painted and signed by Robert Carlin depicting the crash of Baron Manfred Von Richthofen's (the "Red Baron") airplane on April 21, 1918. LeBoutillier is also depicted in the paintings flying above as the "Red Baron" crashes after being shot down. The paintings were created approximately between 1970 to 1979.

The Dr. Howard Zellhoefer Collection of Artwork contains three paintings collected by Dr. Howard William Zellhoefer. Two paintings are by K. Nakamine of landscapes in Okinawa, Japan from 1949, and the third painting is a 1962 Ferdinand Burgdorffof a desert landscape, possibly Mojave Desert, California.

The Tamara Pickett Papers (1977-1998) are comprised of materials related to the experiences of transgendered individuals in America. The collection includes transgender publications, scientific articles about sex reassignment surgery, and informational material provided to Pickett from various doctors as she planned her own sexual reassignment surgery.

The Cave Nightclub Records (1992-1994) are comprised of materials generated during the planning and construction of the Cave Nightclub in Las Vegas, Nevada. It opened in 1992 as a straight nightclub. It changed ownership in 1993, and reopened on September 3, 1993 as a gay nightclub and closed early in 1995. The collection contains policy documents, building plans, and promotional and publicity materials, as well as artifacts, including waiter uniforms from the nightclub.