HQ - Family, Marriage, Women 12,622
HD - Industries, Land Use, Labor 9,307
HV - Social Pathology, Criminology 6,778
HC - Economic History and Conditions 6,470
HM - Sociology 4,248
HB - Economic Theory and Demography 3,828
HG - Finance 3,308
HN - Social History and Conditions 3,293
HF - Commerce 2,989
HT - Communities, Classes, Races 2,535
H - Social Science 1,875
HX - Socialism, Communism, Anarchism 1,659
HJ - Public Finance 996
HE - Transportation and Communications 730
HA - Statistics 386
HS - Societies 119