The Greg Kibler Collection cosists of photographs, a Nothern Pacific 1914 Yellowstone Tours and Fares book, a 1920 Agreement Book for Clerks, Freight Handlers and Station Employees and newspaper clippings compiled by John Francis Murray.
The Great Northern Railway Historical Society Collection consists of 16mm films and documents: Pacific Coast Railroad annual reports for 1951-1969 and Oregon California and Eastern Railroad annual reports for 1948-1969, Pacific Coast Railroad Interstate Commerce Commission annual reports for 1945-1967, Great Northern Railway - British Columbia annual reports, Great Northern Railway ledgers of California Statistics circa 1966-1969, Great Northern Railway Canadian Activity reports for various years, binders of Great Northern Railway records between 1910 and 1989.
The Gordon Jackins Collection is comprised of railroad industry and railroad hobbyist magazines, and newspaper clippings and official documents relating to Sound Transit in the Seattle, Washington area, most between 1987 and 2006.
The Glenn Staehli Collection is is self-published book of railroad stories told to Alice Staehli by her husband Glenn Staehli, who was a locomotive engineer and Road Foreman of Engines of the Northern Pacific Railroad Company.
The Glen Comstock is comprised of photographs of railroad freight cars manufactured by the Pacific Car and Foundry Company, Pacific Car and Foundry Company brochures and project lists, and a 1920 letter and envelope from Pacific Car and Foundry Company.
The Gladys Bouthillier Collection consists of 2 scrapbooks including photographs of train crews staying at the Portland, Oregon Travelodge motel, taken between 1978 and 1982.
The Gerold Dennis Collection consists of a 1956 Northern Pacific Railroad Company letter to the Great Northern Railway Company (U.S.) on the subject of reimbursement for room expenses incurred during a meeting with Canadian railroad companies.
The Gerald Skillman Collection is comprised of 4 unused train sheets (Dispatchers Record of Train Movement sheets) from the Spokane, Portland and Seattle Railway, Oregon Trunk Railway, and Oregon Electric Railway.