Subclass H - Social Sciences (General).

Subclass HA - Statistics.

Subclass HB - Economic theory, Demography.

Subclass HC - Economic history and conditions.

Subclass HD - Industries. Land use. Labor.

Subclass HE - Transportation and communication.

Subclass HF -Commerce.

Subclass HG - Finance.

Subclass HJ - Public finance.

Subclass HM - Sociology (General).

Subclass HN - Social History and conditions. Social problems. Social reform.

Subclass HQ - The family. Marriage. Women.

Subclass HS - Societies: secret, benevolent, etc.

Subclass HT - Communities. Classes. Races.

Subclass HV - Social pathology. Social and public welfare. Criminology.

Subclass HX - Socialism. Communism. Anarchism.

For more information please visit: