Guides & Ephemera
Bowring Cartographic
StationMasters - A Comprehensive Pocket Guide to Metrorail Station Neighborhoods
Denver & Rio Grande Railroad
Around the Circle in 1892 - One Thousand Miles through the Rocky Mountains
Union Pacific Railroad Company
List of Agencies, Stations, Equipment, Etc. of the Union Pacific Railroad Company, January 1, 1946
Western Maryland Railway Company
Rules and Instructions - September 28, 1952
Rules governing:
Operation, Inspection and Maintenance of Air Brake and Air Signal Equipment;
Handling of Locomotives;
Dynamic Braking;
Electric Lighting of Locomotives and Passenger Train Cars