NORC scoring presents an overview of SES coding through the General Social Survey (GSS) of 1989. The GSS is conducted by the National Opinion Research Center (NORC) at the University of Chicago.
Reiss, A.J. (1961). Occupations and social status. New York: Free Press
Hauser, R.M. & Featherman, D.L. (1977). The process of stratification: Trends and analysis. New York: Academic Press.