H | Social sciences (general) | |
HA | Statistics | |
HB | Economic theory; Demography | |
HC | Economic history and conditions | |
HD | Industries; Land use; Labor | |
HE | Transportation and communications | |
HF | Commerce | |
HG | Finance | |
HJ | Public finance | |
HM | Sociology (general) | |
HN | Social history and conditions; Social problems; Social reform | |
HQ | The family; Marriage; Woman | |
HS | Societies: secret, benevolent, etc. | |
HT | Communities; Classeses; Races | |
HV | Social pathology; Social and public welfare; Criminology | |
HX | Socialism; Communism; Anarchism |