1. J. Hall and D. Caradog Jones, ‘Social Grading of Occupations’, British Journal of Sociology, i 1 (1950) 51.
2. C. A. Moser and J. R. Hall, ‘The Social Grading of Occupations’, p. 50, being chap. 2 of Social Mobility in Britain, ed. D. V. Glass (London, 1954 ).