Musson (1969). Science and Technology in the Industrial Revolution. University of Toronto Press. m/s. 69. Unknown parameter |coauthors= ignored (|author= suggested) (bantuan)
Thomson, Ross (2009). Structures of Change in the Mechanical Age: Technological Invention in the United States 1790-1865. Baltimore, MD: The Johns Hopkins University Press. m/s. 34. ISBN978-0-8018-9141-0. Cite has empty unknown parameter: |coauthors= (bantuan)