The Anderson Family Collection, which dates from 1835 to 1980, contains writings, correspondence, publication, photographs, and financial records from a historic Walla Walla family that was involved with Whitman College.

The George D. Anderson Journals documents the activities of George D. Anderson, who traveled from Lyon County, Kansas to Walla Walla Territory by way of Boise, Idaho in 1879, Methow Valley, Skagit, 1880, and had business transactions at Camp Spokane from 1880 to 1881.

This collection houses inforamtion about the life of a Washington pioneer, Robert Franklin Cummins.

The Val Hoffman Papers contains information on the early pioneer families in the Walla Walla, Washington area. Valentine Hoffman researched genealogy and pioneer history.

The Hofstetter Family Papers contains materials related to the pioneer Hofstetter familly of Colville, Washington

The Inland Empire Pioneer Association Records, which date from the mid 1800s to the early 1900s, contain records of members, including their names, addresses, and date of arrival on the Pacific Coast.

The Joseph B. Sanders Diary contains materials related to Joseph B. Sanders of Walla Walla, Washington. These papers, which date from 1856 through 1880, contain papers, correspondence, and a pamphlet titled "The Search For and Reproduction Of The Joseph B. Sanders Diary."

The Washington Pioneers Project Collection contains transcripts of interviews of early Walla Walla County settlers, as well as notes and personal histories. The Washington Pioneers Project was created to collect stories and experiences of the pioneers of early statehood.