Siegel, Sidney 1916-1961 Nonparametric statistics for the behavioral sciences / Sidney Siegel. - Tokyo: McGraw-Hill, 1956. - xvii, 312 p. ; 21 cm. - McGraw-Hill series in psychology . Includes index. Subjects--Topical Terms: Nonparametric statisticsPsychometricsSocial sciences--Research Dewey Class. No.: 519.5