Les Merveilles de la Locomotion

Lives of Boulton and Watt. Principally from the Original Soho Mss. Comprising also a history of the invention and introduction of the steam engine

The First Quarter-Century of Steam Locomotives in North America Remaining Relics and Operable Replicas with a Catalog of Locomotive Models in the U. S. National Museum. United States National Museum Bulletin 210

The evolution of the steam locomotive (1803 to 1898)

The Life of George Stephenson and of his Son Robert Stephenson Comprising Also a History of the Invention and Introduction of the Railway Locomotive

A History of the Growth of the Steam-Engine

Die Geschichte der Dampfmaschine bis James Watt

James Watt und die Erfindung der Dampfmaschine