Education, 1966
Occupational status, 1966
Anomia, 1966
Powerlessness, 1966
Latin American social distance, 1966
Occupational status, 1967
Anomia, 1967
Powerlessness, 1967
Latin American social distance, 1967
Occupational status, 1971
Anomia, 1971
Powerlessness, 1971
Latin American social distance, 1971