"Oklahoma agricultural and mechanical college (Stillwater, U.S.A.)" . . "EDUCATION, GENERAL." . . . . "A statistical study of the learning ability of men as it relates to age, education, and intelligence with particular reference to bookkeeping and clerical procedures"@en . . . . . . "A statistical study of the learning ability of men as it relates to age, education, and intelligence, with particular reference to bookkeeping and clerical procedures"@en . . . . . . . "A Statistical study of the learning ability of men as it relates to age, education, and intelligence with particular reference to bookkeeping and clerical procedures, by Arnold E. Schneider... A dissertation" . .