H
Social
sciences (General)
HA
Statistics
HB
Economic
theory
HC
Economic
history and conditions. National production
HD
Land.
Agriculture. Industry
HE
Transportation
and communication
HF
Commerce
HF
5548-5549
Industrial
psychology
HG
Finance
HJ
Public
finance
HM
Sociology
HN
Social
History. Social Problems. Social Reform.
HQ
The
family. Marriage. Woman
HS
Societies:
Secret, benevolent, etc. Clubs
HT
Communities.
Classes. Races
HV
Social
pathology. Social and public welfare. Criminology
HX
Socialism.
Communism. Anarchism