The Civilian Conservation Corps Collection, which dates from 1934 to 1991, contains material related to the Civilian Conservation Corps in Walla Walla, Washington. The collection includes photographs, newspaper clippings, and a newsletter.

The Copies of "Lyman's History of Old Walla Walla County" contains reproductions of photographs and sketches from "Lyman’s History of Old Walla Walla County" written by William Denison Lyman.

The District Court of Walla Walla Records, which date from 1860 through 1866, is comprised of photocopies of a probate journal and other records from the Walla Walla County District Court.

The Illustrations from Frank T. Gilbert's "Historic Sketches of Walla Walla County" includes copies of sketches from Frank T. Gilbert’s book "Historic Sketches of Walla Walla County.”

The William and Edward Kohlauff Collection, which dates from circa 1868, contains biographical and geneological materials related to William and Edward Kohlhauff.

The Labor Union of Walla Walla Records contain papers from local labor unions located in Walla Walla, Washington. These records, which date from 1901 through 1966, consist of receipt books, due records, minutes and ledgers.

The Pacific Northwest Agricultural Photograph Collection contains photographs, slides and negatives related to agricultural activities in the Northwest area of the United States.

The Walla Walla Bank Collection consists of materials related to banking institutions in Walla Walla, Washington including stock certificates, calendars, annual reports, anniversary publications, newspaper clippings, correspondence, and bank drafts.

The Walla Walla Health Services Collection date from 1919 through 2000. It contains memoranda, statistical reports, bulletins, newspaper clippings, and letters from Planned Parenthood, Christian Aid Rescue Mission, and Washington Tuberculosis Association located in Walla Walla, Washington.

The Walla Walla City Records contains materials related to the City of Walla Walla, Washington.