HQ - Family, Marriage, Women 2,756
HD - Industries, Land Use, Labor 1,909
HF - Commerce 1,889
HV - Social Pathology, Criminology 1,345
HG - Finance 975
HM - Sociology 494
HC - Economic History and Conditions 464
HB - Economic Theory and Demography 403
HN - Social History and Conditions 363
HE - Transportation and Communications 206
HT - Communities, Classes, Races 203
HX - Socialism, Communism, Anarchism 201
H - Social Science 142
HA - Statistics 79
HJ - Public Finance 72
HS - Societies 47