The Walla Walla Blueprints and Architectural Drawings, which date from 1904 through 1984, contains blueprints, floor plans, and drawings for buildings located in Walla Walla, Washington.

The Walla Walla Historic Sites Collection houses material related to the history of buildings and sites in Walla Walla, Washington, dating from 1963 to 1981. The collection contains newspaper articles, brochures, research papers, and applications for historic designation.

The Frank Lloyd Wright Collection spans from 1901 through 1964. It houses newspaper clippings, magazines and photocopies of published materials related to famed architect Frank Lloyd Wright.