The Robert H Niederkorn Collection is comprised of 116 depot pictures from Minnesota, Montana, North Dakota on the Northern Pacific Railroad railroad.
The Robert Hildebrandt Collection is comprised of 28 Burlington Northern employee timetables for the Montana, Yellowstone and Rocky Mountain Divisions.
The Robert Hundman collection includes railroad-related hardbound books, softbound books, equipment diagrams, photos, engineering drawings, railroad hobby publications and railroad history organization publications.
Hundman, Robert L.The Robert Hutchison Collection is comprised of railroad and model railroad magazine issues, Union Pacific calendars, posters and a map, and two recordings on 33 1/3 rpm vinyl of railroad sounds.
Hutchison, Robert A.The Robert L. Shanklin Collection assembles various Milwaukee Road materials.
Shanklin, Robert (R.L.)The Robert Lintott Collection incorporates railroad books, photographs of railroad subjects, brochures, and videotapes of railroad subjects.
Lintott, Robert W.The Robert Lowry Collection is comprised of 43 photos of a variety of railroad subjects, postcards, 2 Northern Pacific car diagrams, timetables for the Burlington Northern and Chicago, Burlington and Quincy railroads, and the book Spokane, Portland & Seattle Color Guide to Freight and Passenger Equipment by Ed Austin.
Lowry, Robert R.The Robert Melbo Collection includes Interstate Commerce Commission accident report covering Northern Pacific Railroad Locomotive 5105 at Willis, Montana 7/7/1938.
Melbo, RobertThe Robert Oestreich Collection consists of photographic negatives of western United States railroads and lumber company equipment.
Oestreich, RobertThe Robert Porter Sr. Collection is comprised of the number board from the ore car which carried the "1 Billionth ton of iron ore shipped from the ore dock at Allouez". The ore car that carried that billionth ton of ore was painted gold to celebrate that event. The car number was 95810..