Beane, B., Carroll, J., and Habbe, S. "The Beane Poll of Favored Psychological Tests", Journal of Applied Psychology, XXIV, (1940 ), 347-352.
2.
Carter, H.D. "The Development of Vocational Attitudes", Journal of Consulting Psychology, IV, (1940), 185-191.
3.
Darley, John G.Clinical Aspects and Interpretation of the Strong Vocational Interest Blank. New York: The Psychological Corporation, 1941, 71 pp.
4.
Hoppock, Robert.Job Satisfaction. New York : Harper and Brothers, 1935.
5.
Sarbin, Theodore R. and Berdie, Ralph. "The Relation of Measured Interests to the Allport-Vernon Study of Values"Journal of Applied Psychology , XXIV, (1940).
6.
Strong, Edward K., Jr. Manual for Vocational Interest Blank for Men.Stanford University Press, ( 1940).