Lasko, J. K. Parent behavior toward first and second children. Genet. psychol. Monogr., 1954, 49, 97-137.
Long, D. C. School-leaving youth and employment. Teach. Coll. Contr. Educ., 1941, No. 845.
McArthur, C. The personalities of first and second children. Mimeographed.
Malzberg, B. Is birth order related to the incidence of mental disease? Amer. J. phys. Anthrop., 1938, 24, 91-104.
Martin, A. M. The oldest and the youngest child. New York: Auxiliary Council to the Assoc. for the Adv. of Psychoanal., 1945.
Metcalfe, Z. Negro applicants at the Vocational Adjustment Bureau. Opportunity, 1940, 18, 365-368.
Mossin, A. C. Selling performance and contentment in relation to school background. Teach. Coll. Contr. Educ., 1949, No. 952.
Peterson, H. A., G. Obourn, H. Wallace, and 0. W. Smith. Relation of scholarship during college career to success in teaching judged by salary. Educ. Adm. Supervis., 1934, 20, 625-628.
Rosenow, K. The incidence of first born among problem children. Pedag. Sem. and J. genet. Psychol., 1930, 37, 145-151.
Ryan, B., and R. K. Merton. The value of high-school scholarship on the labor market. J. educ. Sociol., 1944, 17, 524-534.
Smith, M. General formal education by field of eminence. Sci. Mon., N. Y., 1940, 50, 544-557.
Soderquist, H. 0. Participation in extracurriculum activities in high school or college and subsequent success in teaching adults. Sch. & Soc., 1935, 42, 607-608.
Stuit, D. B. Scholarship as a factor in teaching success. Sch. & Soc., 1937, 46, 382-384.
Super, D. E. The dynamics of vocational adjustment. New York: Harper, 1942.
Sweltzer, C. H., and C. R. Adams. Relations between the amount of academic training and job performance. Bull. Amer. assoc. colleg. Registr., 1936, 12, 15-22.
Thorndike, E. L. The origin of superior men. Sci. Mon., N. Y., 1943, 56, 424‐ 432.
Thurstone, L. L., and R. L. Jenkins. Order of birth, parentage, and intelligence. Chicago: University of Chicago Press, 1931.
Trout, D. M. Academic achievement in relation to subsequent success in life. In Donahue, W. T., C. C. Combs, and R. M. W. Travers. The measurement of student adjustment and achievement. Ann Arbor, Mich.: University of Michigan Press, 1949.
Tudhope, W. B. A study of the training college final teaching mark as a criterion of future success in the teaching profession, Part II. Brit. J. educ. Psychol., 1943, 13, 16-23.
Visher, S. S. Scientists starred in 1903-43 in American men of science. Baltimore: Johns Hopkins Press, 1947.
Wile, I. S., and A. B. Jones. Ordinal position in the behavior disorders of young children. J. genet. Psychol., 1937, 51, 61-95.
Wolfle, D. Intellectual resources. Sci. Amer., 1951, 185 ( 3), 42-46.
Wolfle, D. America's resources of specialized talent. The Report of the Commission on Human Resources and Advanced Training. New York: Harper, 1954.