Bookkeeping Machines -- References
Stanley C. Allyn, My Half Century with NCR, New York: McGraw-Hill, 1967.
Leslie J. Comrie, “Computing the ‘Nautical Almanac’,” Nautical Magazine, July, 1933, pp. 43-48
Leslie J. Comrie, “The Nautical Almanac Office Burroughs Machine,” Monthly Notices of the Royal Astronomical Society, Vol. 92, # 6 (April 1932), pp. 523-541.
James W. Cortada, Before the Computer: IBM, NCR, Burroughs, & Remington Rand & the Industry They Created 1865-1956. Princeton: Princeton University Press, 1993.
P.A. Kidwell, “The Adding Machine Fraternity at St. Louis: Creating a Center of invention, 1880-1920,” IEEE Annals of the History of Computing, vol. 22 #2 (2000), pp. 4-21.
James H. McCarthy, The American Digest of Business Machines, Chicago: American Exchange Service, 1924.
James H. McCarthy, The Business Machines and Equipment Digest, Chicago: Equipment Research Corporation.
Peter L. McMickle and Richard G. Vangermeersch, The Origins of a Great Profession, Memphis: The Academy of Accounting Historians, 1987.
NCR Corporation, 1923-1951: The Accounting Machine Era, NCR, 1984.