The Pat Stafford Collection is comprised of of photos, along with a 1903 Northern Pacific Railroad annual report, some miscellaneous pamphlets (including advertising), and small books, a book "Report on the Great Northern Railway", publicity photos, memorabilia, and bound annual copies of the Great Northern Railway company publication"Talking It Over" for 1962 to 1967 and 1969.
The Patty Groesbeck Collecton consists primarily of documents pertaining to locomotive engineers' employment and job duties for railroads including the Northern Pacific, Southern Pacific, Milwaukee Road, Great Northern, Burlington Northern and other railroads between 1905 and 1996. It also includes some fifty photographs of railroad locomotives and cars in various locations throughout the western United States.
The Paul C. Newell Collection encompases published books on railroad topics, including the Great Northern, Southern Pacific, Burlington Northern, Union Pacific, Northern Pacific, Milwaukee Road, and other railroads.
The Paul Curtiss Collection is comprised of Seattle-area Kroll map books and Copies of his book "No More Bells, Nor Whistles - Washington State Street and Urban Railways", including 1 digital copy on CD.