The Michael A. Rubin Collection assembles automatic signaling diagrams, several samples of United States Railroad Administration correspondence, a copy of Operator's Telephone Instructions, a ledger book with pasted telegrams, a Schedule for Telegraphers, and Form 19s.
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 Marty Johnston Collection is comprised of photographs of railroad subjects from the first half of the 1900's with emphasis on the Great Northern and other northwestern railroads. Some timetables, maps and newspaper clippings are also included. Materials were collected by Robert Pearson, Mr. Johnston's grandfather.
The Mark Gelhaus Collection includes documents, timetables, operating instructions, equipment manuals, maps, equipment registers, photographs and sound recordings produced between 1885 and 1994. Railroad represented include the Northern Pacific, Burlington Northern, Union Pacific, Southern Pacific, Milwaukee Road, Great Northern and other railroads. Many of these materials were accumulated by Michael D. Gelhaus and Al Bennett.
The Marijane Marceau Collection comprises Northern Pacific engineering records, documents and maps, Burlington Northern documents, Union Pacific maps, railroad employee union documents, and ephemera and calendars from a variety of United States railroads.
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 Kristi and Tom Hamre Collection consists of color photographs of Pacific Northwest railroad subjects taken in the 1990's and 2000's by the Hamre's.