Bill Corkrum was a longtime Walla Walla farmer, businessman, and aviator. The Uriah Franklin "Bill" Corkrum Papers includes his college records, military records, business records, personal records, and photographs of the Corkrum family, one of the earliest families to settle in Walla Walla.

The Department of Washington and Alaska of the National Auxiliary United Spanish War Veterans Records, which dates from 1898 to 1968, houses material related to the Spanish American War and the United Spanish War Veterans Auxiliary. The collection includes photographs, war medals, flags, financial records, correspondence, United Spanish War Veterans records, and other materials.

The Fort Walla Walla Collection contains historical sketches, newspaper clippings, and photographs. This collection, which dates from 1832 through 1997, also includes manuscripts, and research materials related to the history of Fort Walla Walla, as well as some material from the earlier fur-trading post known as Fort Nez Perce.

The Wallace Gendron Papers, which dates from 1941 to 1945, contains aerial photographs depicting Allied operations in Europe during World War II and personal memorabilia collected by Wallace Gendron. Correspondence and photos of Walla Walla Air Base.

The Grand Army of the Republic, Walla Walla, Records documents the transactions and membership of this Civil War veterans’ organization.

The John Ervin Jesseph Fort Walla Walla Collection, which dates from 1864 to 1924, contains correspondence, reports, and building records and photographs from the Fort Walla Walla complex.

Materials related to Captain William J. "W.J." Matthews of the First Cavalry Oregon Volunteers.

The Andrew Dominique Pambrun Family Papers contains the autobiographical manuscripts of Andrew Dominique Pambrun, who was employed by the Hudson’s Bay Company and served as an interpreter for Territorial Governor Isaac Stevens during the mid 19th century.

The H.N. Bert Woolson Collection on Albert Woolson, which dates from 1881 to 1964, includes clippings, scrapbook, photographs, and sound recordings documenting the last years of Albert Woolson, the oldset surviving Union veteran of the Civil War.