The King Agriculture Museum Collection consists of a photo of Puget Sound Flouring Mill workers in front of the mill and the Stadium Telegraph Office. Boland Photo E1388-Tacoma-180 degree photograph.
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.
The Kurt Armbruster Collectionis is comprised of photographs, books,audio cassettes of conversations with railroad employees and CDs on Pacific Northwest railroad subjects.
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 Larry Occhiello Collection consists of a photograph of the crew of the Northern Pacific Railroad Company's Northtown Shops in Minneapolis (Minn.), taken on August 14, 1937, with steam locomotive NP 1718 in the background.
The Laurie Briggs and Family Collection includes Burlington Northern Railroad calendars, timetables and maps with a few Northern Pacific Railroad items, and a 1962 Great Northern Railway World's Fair poster.
The Lawrence Stuckey Collection includes materials on the Northern Pacific Railroad Brandon Branch, magazine pages, a Northern Pacific Railroad Railway Valuation Sections booklet; locomotive photosgraphs, a timetable, photographs of other railroad subjects, a reprint of "Northern Pacific Railroad Passenger Equipment III".
The Lee Bailey Collection consists of 2 large binders of correspondence between Pacific Northwest railroad companies and Pacific Northwest railroad companies and customers on two broad subjects: shipping poultry feed (1904-1922) and shipping flour and grain (1915-1921).