Die Geschichte der Dampfmaschine bis James Watt

A History of the Growth of the Steam-Engine

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

James Watt und die Erfindung der Dampfmaschine

The evolution of the steam locomotive (1803 to 1898)