The James Fredrickson Collection is an extensive compilation of documents and photographs, primarily concerned with the Northern Pacific Railroad Company with additional coverage of other Pacific Northwest railroads. The Fredrickson Authorization for Expenditure (AFE) collection covers documents from the Northern Pacific's Tacoma and Idaho Divisions from 1900 to 1927. Many of these documents are actually Field Completion Reports (FCR).
The James Ehernberger Collection includes photographs of Burlington Northern Railroad diesel locomotive and other subjects, Great Northern Railway locomotives, Northern Pacific Railroad locomotives, and Northern Pacific Railroad depots. Most were taken by Norm Metcalf.
The James A. Van Voorhis Collection encompasses primarily photographs of a Northern Pacific Railroad Steel-Gang and a Telegraph crew between 1935 & 1940.
The Jack Waters Collection is comprised of railroad maps, timetables, employee rosters and operating documents, primarily from the Northern Pacific and Burlington Northern. Materials are dated between 1921 and 1998, with most items between 1960 and 1990.
The J. W. Mathews consists of 1 map of the Northern Pacific Railroad Seattle-Lake Union line, 5 Milwaukee Road maps of Tacoma, Washington stations, land, tracks and structures, and 1 mini soap bar from the Northern Pacific.
The Humane Society of Central Oregon Collection includes a sheriff's deed, a Northern Pacific Railroad deed, a Great Northern Railway bill of sale, a Great Northern Railway money order stub, a Great Northern Railway ticket stub, a Snohomish County tax statement, a St. Paul, Minneapolis and Manitoba Railway Company receipt, and an insurance policy.
The Herb Grisham Collection includes railroad employee passes for the Great Northern and Northern Pacific, telegraph union membership cards, time books and rule books for the period between 1913 and 1959.
The Herb Chaudiere Collection is comprised of books, photographs, motion pictures, audio tapes, and periodicals covering the Northern Pacific, Great Northern, Milwaukee Road, Union Pacific and other railroads.
The Hennery Gunnthere Collection includes rolled drawings from the Northern Pacific Railroad numbered 44265-D Q-961; 44264-F Q-960; 49571-B Q-1224; 49234 Q-1197 for A-3 and A-5 steam locomotives.