GOLDSTINE, HERMAN H., and JOHN VON NEUMANN, _Planning and Coding of Problems for an Electronic Computing Instrument_, Princeton, N. J.: Institute for Advanced Study, 1947, 69 pp. GOLDSTINE, HERMAN H., and JOHN VON NEUMANN, _Planning and Coding of Problems for an Electronic Computing Instrument_, Princeton, N. J.: Institute for Advanced Study, part 2, vol. 3, 1948, 23 pp. MAUCHLY, JOHN W., Preparation of Problems for Edvac-Type Machines, _Proceedings of a Symposium on Large-Scale Digital Calculating Machinery_, Cambridge, Mass.: Harvard University Press, 1948, pp. 203-207. DIGITAL MACHINES—MISCELLANEOUS Many of the following articles are nontechnical and contain much interesting information about machines that think: ALT, FRANZ L., New High-Speed Computing Devices, _The American Statistician_, vol. 1, no. 1, Aug. 1947, pp. 14-15. BUSH, VANNEVAR, As We May Think, _Atlantic Monthly_, July 1945, pp. 101-108. CONDON, EDWARD U., _The Electronic Brain Means a Better Future for You_ (broadcast), Columbia Broadcasting System, Jan. 4, 1948. DAVIS, HARRY M., Mathematical Machines, _Scientific American_, vol. 180, no. 4, Apr. 1949, pp. 29-39. LAGEMANN, JOHN K., It All Adds Up, _Collier’s Magazine_, May 31, 1947, pp. 22-23 ... LOCKE, E. L., Modern Calculators, _Astounding Science Fiction_, vol. 52, no. 5, Jan. 1949, pp. 87-106. MACLAUGHLAN, LORNE, Electrical Mathematicians, _Astounding Science Fiction_, vol. 53, no. 3, May 1949, pp. 93-108. MANN, MARTIN, Want to Buy a Brain? _Popular Science_, vol. 154, no. 5, May 1949, pp. 148-152. NEWMAN, JAMES R., Custom-Built Genius, _New Republic_, June 23, 1947, pp. 14-18. PFEIFFER, JOHN E., The Machine That Plays Gin Rummy, _Science Illustrated_, vol. 4, no. 3, Mar. 1949, pp. 46-48 ... RIDENOUR, LOUIS N., Mechanical Brains, _Fortune_, vol. 39, no. 5, May 1949, pp. 108-118. TUMBLESON, ROBERT C., Calculating Machines, _Federal Science Progress_, June 1947, pp. 3-7. ANONYMOUS, Almost Human, _Home Office News_, Newark, N. J.: Prudential Insurance Company of America, Feb. 1947, p. 8. APPLICATIONS OF DIGITAL MACHINES Some of the problems that mechanical brains can solve, some of the methods for controlling them to solve problems, and some of the implications of mechanical brains for future problems are covered in the following references: Solving Problems BERKELEY, EDMUND C., Electronic Machinery for Handling Information, and its Uses in Insurance, _Transactions of the Actuarial Society of America_, vol. 48, May 1947, pp. 36-52.