Drawings from the Society’s archives and publications
Rolling Stock Line Drawings - TrainWeb
Types of railcars free AutoCAD drawings - DWG models
Railroad Equipment - CSX.com
Gondola Rail Car (Trains): A Utilitarian Design - American-Rails.com
Gondola (rail) - Wikipedia
52’ 2791 cu. ft. Mill Gondola - The Greenbrier Companies
What Are All of the Different Rail Car Types? - Union Pacific
Mill Gondola Railcars - Tealinc LLC
North American Field Guide To Rail Cars - Hackaday