Traxx locomotives: Superior performance in every environment
UP: From Steam to Green: The History and Evolution of Locomotives
Tom Thumb Locomotive, History, Invention & Design
C.N.Rys. in Ontario; Information Sources
Steam Over Scranton: The Locomotives of Steamtown (American Steam Locomotives)
Locomotive: Most Up-to-Date Encyclopedia, News & Reviews
Locomotive Manufacturing - Encyclopedia of Greater Philadelphia
Locomotives - The Transcontinental Railroad
Stephenson's Rocket, Steam Engine & the Industrial Revolution
How Steam Locomotives Work by Brian Solomon – Collector Bookstore