Babbage, Charles. Passages from the Life of a Philosopher. London: Longman, Green, Longman, Roberts & Green, 1864.
Bromley, Allan G. The Babbage Papers in the Science Museum: A Cross-Referenced List. London: Science Museum, 1991.
Bromley, Allan G. "Babbage's Analytical Engine Plans 28 and 28a - the Programmer's Interface." IEEE Annals of the History of Computing 22.4 (2000): 4-19.
Bromley, Allan G. "Charles Babbage's Analytical Engine, 1838." Annals of the History of Computing 4.3 (1982): 196-217.
Bromley, Allan G. "Difference and Analytical Engines." Computing before Computers. Ed. William Aspray. Ames: Iowa State University Press, 1990.
Bromley, Allan G. "The Evolution of Babbage's Calculating Engines." Annals of the History of Computing 9.2 (1987): 113-36.
Campbell-Kelly, Martin, ed. The Works of Charles Babbage. 11 vols. London: William Pickering, 1989.
Collier, Bruce. "The Little Engines That Could've: The Calculating Machines of Charles Babbage." Harvard PhD, 1970. New York: Garland, 1990.
Dubbey, John M. The Mathematical Work of Charles Babbage. Cambridge: Cambridge University Press, 1978, 2004.
Gibson, William, and Bruce Sterling. The Difference Engine. Gollancz, 1990.
Hyman, Anthony. Charles Babbage: Pioneer of the Computer. Oxford: Oxford University Press, 1982.
Moore, Doris Langley. Ada: Countess of Lovelace: Byron's Legitimate Daughter. London: John Murray, 1977.
Lindgren, Michael. Glory and Failure: The Difference Engines of Johann Muller, Charles Babbage and Georg and Edvard Scheutz. Trans. Craig G McKay. Stockholm Papers in History and Philosophy of Technology: Kristianstads Boktryckeri, 1987. Cambridge, Massachusetts: MIT Press, 1990.
Moseley, Maboth. Irascible Genius: A Life of Charles Babbage, Inventor. London: Hutchinson, 1964.
Stein, Dorothy. Ada: A Life and Legacy. Cambridge, Massachusetts: MIT Press, 1985.
Swade, Doron. Charles Babbage and His Calculating Engines. London: Science Museum, 1991.
Swade, Doron. Charles Babbage's Difference Engine No. 2: Technical Description: Science Museum Papers in the History of Technology, 1996.
Swade, Doron. The Cogwheel Brain: Charles Babbage and the Quest to Build the First Computer. London: Little, Brown, 2000. Published in the United States as The Difference Engine: Charles Babbage and the Quest to Build the First Computer. New York: Viking, 2001.
Swade, Doron. "Calculation and Tabulation in the 19th Century: George Biddell Airy Versus Charles Babbage." PhD. University College London, 2003.
Swade, Doron. "The Construction of Charles Babbage's Difference Engine No. 2." IEEE Annals of the History of Computing 27.3 (2005): 70-88.
Toole, Betty A, ed. Ada, the Enchantress of Numbers: A Selection from the Letters of Lord Byron's Daughter and Her Description of the First Computer. Mill Valley, CA: Strawberry Press, 1992.
Williams, Michael, R. "Joseph Clement: The First Computer Engineer." IEEE Annals of the History of Computing 14.3 (1992): 69-76.
Woolley, B., The Bride of Science: Romance, Reason and Byron's Daughter. London: Macmillan, 1999.
