CULLEY, FRANK L., Use of Accounting Machines for Mass-Transformation from Geographic to Military-Grid Coordinates, Washington, D. C.: National Research Council, _American Geophysical Union Transactions of 1942_, part 2, pp. 190-197. DEMING, W. EDWARDS, and MORRIS H. HANSEN, On Some Census Aids to Sampling, _Journal of the American Statistical Association_, vol. 38, no. 225, Sept. 1943, pp. 353-357. DUNLAP, JACK W., The Computation of Means, Standard Deviations, and Correlations by the Tabulator When the Numbers Are Both Positive and Negative, _Proceedings of the Educational Research Forum_, International Business Machines Corporation, Aug. 1940, pp. 16-19. DWYER, PAUL S., The Use of Tables in the Form of Prepunched Cards, _Proceedings of the Educational Research Forum_, International Business Machines Corporation, Aug. 1940, pp. 125-127. DWYER, PAUL S., Summary of Problems in the Computation of Statistical Constants with Tabulating and Sorting Machines, _Proceedings of the Educational Research Forum_, International Business Machines Corporation, Aug. 1940, pp. 20-28. DWYER, PAUL S., and ALAN D. MEACHAM, The Preparation of Correlation Tables on a Tabulator Equipped with Digit Selection, _Journal of the American Statistical Association_, vol. 32, 1937, pp. 654-662. DYER, H. S., Making Test Score Data Effective in the Admission and Course Placement of Harvard Freshmen, _Proceedings of the Research Forum_, International Business Machines Corporation, 1946, pp. 55-62. ECKERT, W. J., and RALPH F. HAUPT, The Printing of Mathematical Tables, _Mathematical Tables and Other Aids to Computation_, vol. 2, no. 17, Jan. 1947, pp. 196-202. FEINSTEIN, LILLIAN, and MARTIN SCHWARZCHILD, Automatic Integration of Linear Second-Order Differential Equations by Means of Punched-Card Machines, _Review of Scientific Instruments_, vol. 12, no. 8, Aug. 1941, pp. 405-408. HOTELLING, HAROLD, Some New Methods in Matrix Calculation, _The Annals of Mathematical Statistics_, vol. 14, no. 1, Mar. 1943, pp. 1-34. INTERNATIONAL BUSINESS MACHINES CORPORATION, editor, and others, _Proceedings of the Educational Research Forum_, Endicott, N. Y.: International Business Machines Corporation, 1941. INTERNATIONAL BUSINESS MACHINES CORPORATION, editor, and others, _Proceedings of the Research Forum_, Endicott, N. Y.: International Business Machines Corporation, 1946, 94 pp. KING, GILBERT W., Punched-Card Tables of the Exponential Function, _Review of Scientific Instruments_, vol. 15, no. 12, Dec. 1944, pp. 349-350.