US Railroad Retirement Board - Records of individuals who worked in the industry after 1936
Guide to researching the railroad collections in the National Archives, Washington, D.C.
Railroad Archives at the Newberry Library, Chicago, IL - Chicago, Burlington, & Quincy; Illinois Central; and Pullman Car Company
Cooper Bridge Collection Guide, 1887-1889, at Cornell University Library
Pennsylvania Railroad Company Archives, 1847-1968, at Temple University
"Railroadiana" Archive and photograph collections at the University of Tennessee Library
Railroad collections of the Bently Historical Library (University of Michigan)
Railroad collections at the University of Wisconsin - Milwaukee
The Frisco: A look back at the Saint Louis-San Francisco Railway - Online exhibit from Springfield-Green County Library
The Mark Twain Zephyr - Online photographs from Hannibal Free Public Library and Virtually Missouri
Railroad Maps 1828-1900 - Online access through American Memory (Library of Congress)
Cleveland Memory - Online images from the Cleveland Union Terminal and Nickel Plate Railroad Collection
Steam and Electric Locomotives of the New Haven Railroad - Online Digital Collection from University of Connecticut
Erie Railroad Company glass plate negative collection, ca. 1909 - Online exhibit from Syracuse University Digital Projects
Museum of Transport, St. Louis, MO
A. Philip Randolph Pullman Porter Museum, Chicago, IL
Center for Railroad Photography and Art, Madison, WI
Federal Highway Administration Publications and Statistics, Washington, D.C.
