1. H. Holmes and W. T. Rich, unpublished manuscript.
2. J. Przyborowski and H. Wilenski, “Homogeneity of Results in Testing Samples from Poisson Series, with an Application to Testing Clover Seed for Dodder.”Biometrika, Vol. 31 (1940) pp. 313–323.
3. C. J. Clopper and E. S. Pearson: “The Use of Confidence or Fiducial Limits Illustrated in the Case of the Binomial.”Biometrika, Vol. 26 (1934) pp. 404–413.
4. C. Eisenhart, M. W. Hostay and W. A. Wallis,Selected Techniques of Statistical Analysis, McGraw-Hill, 1947, pp. 332–335.
5. M. G. Kendall,The Advanced Theory of Statistics, Vol. III, Griffin and Co., Ltd., 1946, pp. 127–128.