Austin, M. C. and Thompson, G. G. "Children's Friendships: A Study of the Bases on which Children Select and Reject Their Best Friends ." Journal of Educational Psychology, XXXIX (1948), 101-116.
2.
Bogardus, E. S. "A Social Distance Scale." Sociological Social Research, XVII (1933), 265-271.
3.
Bronfenbrenner, U. "The Measurement of Sociometric Status, Structure and Development." Sociometry Monograph, No. 6, 1945 .
4.
Horace Mann-Lincoln Institute.How to Construct a Sociogram. Columbia University: Bureau of Publications, Teachers College, 1948.
5.
Horrocks, J. E. and Thompson, G. G. "A Study of the Friendship Fluctuations of Rural Boys and Girls." Journal of Genetic Psychology, LXIX (1946), 189-198.
6.
Moreno, J. L.Who Shall Survive?Washington, D.C.: Nervous and Mental Diseases Publishing Company, 1943.
7.
Thompson, G. G., Bligh, H. F. and Witryol, S. L. "A Critical Examination of Several Methods of Determining Levels of Social Status." Journal of Social Psychology, XXXIII (1951), 13-32.
8.
Thompson, G. G. and Horrocks, J. E. "A Study of the Friendship Fluctuations of Urban Boys and Girls." Journal of Genetic Psychology, LXX (1947), 53-63.
