HQ - Family, Marriage, Women 12,685
HD - Industries, Land Use, Labor 9,492
HV - Social Pathology, Criminology 6,915
HC - Economic History and Conditions 6,540
HM - Sociology 4,342
HB - Economic Theory and Demography 3,861
HG - Finance 3,342
HN - Social History and Conditions 3,316
HF - Commerce 3,097
HT - Communities, Classes, Races 2,569
H - Social Science 1,884
HX - Socialism, Communism, Anarchism 1,672
HJ - Public Finance 1,006
HE - Transportation and Communications 747
HA - Statistics 386
HS - Societies 119