LC Classification: H

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. Women

HS - Societies: secret, benevolent, etc.

HT - Communities. Classes. Races

HV - Social pathology. Social and public welfare. Criminology

HX - Socialism. Communism. Anarchism

For more detailed information, visit the Library of Congress Classification Outline.

H - Social sciences (General)

HA - Statistics

• HA154-4737 Statistical data

HB - Economic theory. Demography

• HB71-74 Economics as a science. Relation to other subjects
• HB131-147 Methodology
• HB238-251 Competition. Production. Wealth
• HB522-715 Income. Factor shares
• HB848-3697 Demography. Population. Vital events
• HB3711-3840 Business cycles. Economic fluctuations

HC - Economic history and conditions

• HC94-1085 By region or country

HD - Industries. Land use. Labor

• HD28-70 Management. Industrial management
• HD72-88 Economic growth, development, planning
• HD101-1395.5 Land use
• HD1401-2210 Agriculture
• HD2321-4730.9 Industry
• HD2350.8-2356 Large industry. Factory system. Big business
• HD4801-8943 Labor. Work. Working class
• HD9000-9999 Special industries and trades

HE - Transportation and communications

• HE305-311 Urban transportation
• HE331-380 Traffic engineering. Roads and highways
• HE380.8-971 Water transportation
• HE1001-5600 Railroads. Rapid transit systems
• HE6000-7500 Postal service. Stamps. Philately
• HE7601-8700.9 Telecommunication industry
• HE8701-9680.7 Telephone industry
• HE9713-9715 Cellular telephone services industry. Wireless telephone industry
• HE9761-9900 Air transportation. Airlines

HF - Commerce

• HF294-343 Boards of trade. Chambers of commerce. Merchants' associations
• HF1701-2701 Tariff. Free trade. Protectionism
• HF5001-6182 Business
• HF5410-5417.5 Marketing. Distribution of products
• HF5419-5422 Wholesale trade
• HF5428-5429.6 Retail trade
• HF5484-5495 Warehouses. Storage
• HF5520-5541 Office supplies
• HF5601-5689 Accounting. Bookkeeping
• HF5691-5716 Business mathematics. Commercial arithmetic (Including tables, etc.)
• HF5801-6182 Advertising

HG - Finance

• HG201-1496 Money
• HG451-1496 By region or country
• HG1501-3550 Banking
• HG2397-3550 By region or country
• HG3691-3769 Credit. Debt. Loans
• HG3810-4000 Foreign exchange. International finance. International monetary system
• HG4501-6051 Investment, capital formation, speculation
• HG8011-9999 Insurance

HJ - Public finance

• HJ241-1620 By region or country
• HJ2240-5908 Revenue. Taxation. Internal revenue
• HJ6603-7390 Customs administration
• HJ7461-7980 Expenditures. Government spending
• HJ8001-8899 Public debts
• HJ9103-9695 Local finance. Municipal finance

HM - Sociology (General)

• HM481-554 Theory. Method. Relations to other subjects.
• HM621-656 Culture
• HM701 Social Systems
• HM711-806 Groups and organizations
• HM811-821 Deviant behavior. Social deviance
• HM1001-1281 Social psychology

HN - Social history and conditions. Social problems. Social reform

• HN30-39 The church and social problems
• HN41-46 Community centers. Social centers
• HN50-995 By region or country

HQ - The family. Marriage. Women

• HQ12-449 Sexual life
• HQ503-1064 The family. Marriage. Home
• HQ767.8-792.2 Children. Child development
• HQ793-799.2 Youth. Adolescents. Teenagers
• HQ801-803 Marriage
• HQ811-960.7 Divorce
• HQ1001-1006 The state and marriage
• HQ1051-1057 The church and marriage
• HQ1060-1064 Age. Gerontology (Social aspects). Retirement
• HQ1088-1090.7 Men
• HQ1101-2030.7 Women. Feminism
• HQ2035-2039 Life skills. Coping skills. Everyday living skills

HS - Societies: secret, benevolent, etc.

• HS101-330.7 Secret societies
• HS351-929 Freemasons
• HS951-1179 Odd Fellows
• HS1201-1350 Knights of Pythias
• HS1501-2460.7 Other societies. By classes
• HS2501-3371 Clubs.

HT - Communities. Classes. Races

• HT51-65 Human settlements. Communities
• HT101-395 Urban groups. The city. Urban sociology
• HT401-485 Rural groups. Rural sociology
• HT601-1445 Classes
• HT675-690 Classes arising from occupation
• HT713-725 Caste system
• HT851-1445 Slavery
• HT1501-1595 Races (Including race as a social group and race relations in general)

HV - Social pathology. Social and public welfare. Criminology

• HV40-69 Social service. Social work. Charity
• HV85-525 By region or country
• HV551.2-639 Emergency management
• HV697-4959 Protection, assistance, and relief
• HV4961-4995 Degeneration
• HV5001-5720.5 Alcoholism. Intemperance. Temperance reform
• HV5725-5770 Tobacco habit
• HV5800-5840 Drug habits. Drug abuse
• HV6001-7220.5 Criminology
• HV6035-6197 Criminal anthropology (Including criminal types, criminal psychology, prison psychology, causes of crime)
• HV7231-9960 Criminal justice administration
• HV7551-8280.7 Police. Detectives. Constabulary
• HV8130-8280.7 By region or country
• HV8301-9920.7 Penology. Prisons. Corrections
• HV9441-9920.7 By region or country

HX - Socialism. Communism. Anarchism

• HX519-550 Communism/socialism in relation to special topics
• HX626-696 Communism: Utopian socialism, collective settlements
• HX806-811 Utopias. The ideal state
• HX821-970.9 Anarchism