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 Norman C. Jensen Collection, dated from 1867 to 1968, contains documents discovered by Norman C. Jensen at Fort Taylor, Florida. The collection includes a copy of the "Report of a Guard Mounted at Fort Jefferson, Florida on May 28, 1867" that describes four individuals accused of conspiracy in connection with the assassination of President Abraham Lincoln. The collection also contains an original report entitled "Quarterly Report of Artillery Inspection of Fort Taylor, Florida" dated December 31, 1903, and Lt. Col. Jensen's notes explaining the military abbreviations contained within the original report.

The Gwendolyn Woolley Photographs contain photographs from Las Vegas, Nevada from approximately 1934 to 1953. The photographs primarily depict students at the Junior Prom at Las Vegas High School in 1953. The photographs also depict members of the Ladies Society of Brotherhood of Firemen and Locomotive Engineers at the first Helldorado Parade in Las Vegas, Nevada.

The Ruth St. Denis Collection (1916-1986) contains materials relating to the St. Denis School of Dance in Los Angeles, California. Included are scrapbooks containing magazine cutouts from early 20th century performers and celebrities and programs featuring St. Denis or performances honoring her memory.