ENIAC
GIANT BRAINS or machines that think. John Wiley & Sons, inc., 1949. Chapter 7 Speed—5000 Additions a Second: Moore School's ENIAC (Electronic Numerical Integrator And Computer)
Dyson, George (2012). Turing's Cathedral: The Origins of the Digital Universe. New York: Pantheon Books. ISBN 978-0-375-42277-5
Hally, Mike. Electronic Brains: Stories from the Dawn of the Computer Age, Joseph Henry Press, 2005. ISBN 0-309-09630-8
Lukoff, Herman (1979). From Dits to Bits: A personal history of the electronic computer. Portland, Oregon: Robotics Press.