The William Pochmerski Collection includes VHS videotapes, photographs and a newpaper clipping of the move of Great Northern steam locomotive #2507 and the move of the Terry Avenue, Seattle Railway Post Office car. Additional materials include the 1963 Annual Reports for the Great Northern and Northern Pacific and Car Builders Cyclopedias for 1940 and 1961, Car and Locomotive Cyclopedias for 1970 and Locmotive Cyclopedias for 1930 and 1947.
The William Sornsin Collection includes "The King Street Station Historic Structural Report" on the Seattle, Washington railroad station, the Washington Department of Transportaion Master Plan Summary Report on the King Street Station, notebooks, photographs and a study of past interior finishes of the King Street Station, and engineering drawings of the King Street Station. It also includes calendars for the Burlington Northern Santa Fe, shop packets of "The Great Northern Goat" published by the Great Northern Railway Historical Society and other reference sheets.
The William Zidel Collection unites 81 photographs, 2 postcards on railroad subjects and 3 stock certificates from the Western Maryland, Illinois Central and Cincinnati Northern.
