The Erma Barrett Scrapbooks contains postcards from the Walla Walla and Eastern Washington area. These scrapbooks, which date from 1902 through 1975, document houses, buildings, events, and landscapes.

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.