Locomotives
Free to read here, from Project Gutenberg.
The Life of George Stephenson and of his Son Robert Stephenson
The evolution of the steam locomotive (1803 to 1898)
Catechism of the locomotive
The First Quarter-Century of Steam Locomotives in North America
The 'Pioneer': Light Passenger Locomotive of 1851
How to become an engineer
Introduction of the Locomotive Safety Truck
Illustrated Catalogue of Locomotives; Baldwin Locomotive Works
The Rocket: The Story of the Stephensons, Father and Son
Les Merveilles de la Locomotion
The Traveling Engineers' Association to Improve the Locomotive Engine Service of American Railroads
Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910
Practical Rules for the Management of a Locomotive Engine
Locomotive Engine Running and Management