The Robert Berger Collection is comprised of 3,237 photographic slides taken by Al Robinson in the mid to late 1900's. Subjects are primarily railroad equipment and locations for the Northern Pacific, Great Northern, Burlington Northern, SP&S, Union Pacific and other railroads.
The Richard Barger Collection consists of one box of published books, a photograph of SP&S locomotives at Wishram, Washington and a Hudson locomotive lubrication chart.
The Michael Denuty Collection consists of commercially published books relating to railroad history, including material on the Great Northern Railway,Northern Pacific, Milwaukee Road, and Spokane, Portland and Seattle Railway.
The Melvin Iszley Collection consists of documents from several Northwest railroads, including maps, plats, engineering drawings, and timetables from the Northern Pacific, the Great Northern, the Spokane, Portland and Seattle, the Burlington Northern, and several other railroads, and operating manuals for a variety of diesel locomotives.
The Loren Halseth Collection includes a painting of the the Tacoma, Washington Union Station on wood by Jess Cauthorn, timetables for the Burlington Northern, Great Northern, Northern Pacific, Pacific Coast and SP&S from the 1960's and 1970's, other operating and equipment documents and various small artifacts.
The Lance Lassen Collection takes in one box of blueprints, one box of miscellaneous manuals and a bag of drawings and items chiefly from the Northern Pacific Railroad Company and the Spokane, Portland, and Seattle Railway.
The Kurt Armbruster Collectionis is comprised of photographs, books,audio cassettes of conversations with railroad employees and CDs on Pacific Northwest railroad subjects.
The John Nemnich Collection includes 5 trip passes for the Spokane, Portland and Seattle Railway, a car assignment list dated 1/22/1949, blueprints for the Portland Terminal Railroad turntable. Roundhouse; and prints from Portland Transfer Railroad, 1912 (might be the Portland roundhouse).
The Jeff Storz Collection includes photographs of Spokane, Portland and Seattle Railway locomotive #910 and Union Pacific Railroad Big Boy locomotive #4002.