H1-99--Social sciences (General)
HA1-4737--Statistics
HA29-32--Theory and method of social science statistics
HA36-37--Statistical services. Statistical bureaus
HA38-39--Registration of vital events. Vital records
HA154-4737--Statistical data
HA154-155--Universal statistics
HA175-473--By region or country
HB1-3840--Economic theory. Demography
HB71-74--Economics as a science. Relation to other subjects
HB75-130--History of economics. History of economic theory
Including special economic schools
HB131-147--Methodology
HB135-147--Mathematical economics. Quantitative methods
Including econometrics, input-output analysis, game theory
HB201-206--Value. Utility
HB221-236--Price
HB238-251--Competition. Production. Wealth
HB501--Capital. Capitalism
HB522-715--Income. Factor shares
HB535-551--Interest
HB601--Profit
HB615-715--Entrepreneurship. Risk and uncertainty. Property
HB801-843--Consumption. Demand
HB846-846.8--Welfare theory
HB848-3697--Demography. Population. Vital events
HB3711-3840--Business cycles. Economic fluctuations
HC10-1085--Economic history and conditions
HC79--Special topics
Including air pollution, automation, consumer demand, famines, flow of funds, etc.
HC92--Economic geography of the oceans (General)
HC94-1085--By region or country
HD28-9999--Industries. Land use. Labor
HD28-70--Management. Industrial management
HD39-40.7--Capital. Capital investments
HD41--Competition
HD45-45.2--Technological innovations. Automation
HD47-47.4--Costs
HD49-49.5--Crisis management. Emergency management. Inflation
HD50-50.5--Delegation of authority. Decentralization. Span of control
HD56-57.5--Industrial productivity
HD58--Location of industry
HD58.7-58.95--Organizational behavior, change and effectiveness. Corporate culture
HD59-59.6--Public relations. Industrial publicity
HD60-60.5--Social responsibility of business
HD61--Risk in industry. Risk management
HD62--Standardization. Simplification. Waste
HD62.2-62.8--Management of special enterprises
HD66-66.2--Work groups. Team work in industry. Quality circles
HD69--Other
Including business consultants, capacity, size of industries, etc.
HD72-88--Economic growth, development, planning
HD101-1395.5--Land use. Land tenure
HD1286-1289--Communal ownership
HD1290-1291--Municipal ownership
HD1301-1313--Nationalization (Agrarian socialism)
HD1326-1329--Large holdings
HD1330-1331--Landlord and peasant
HD1332-1333.5--Land reform. Agrarian reform
HD1334-1335--Consolidation of land holdings
HD1336-1339--Small holdings. Peasant proprietors. Parcellation
HD1361-1395.5--Real estate business
HD1401-2210--Agriculture
HD1428-1431--International cooperation
HD1470-1476--Size of farms
HD1478--Sharecropping
HD1483-1486--Agricultural associations, societies, etc.
HD1491-1491.5--Cooperative agriculture
HD1492-1492.5--Collective farms
HD1493-1493.5--Government owned and operated farms. State farms. Sovkhozes
HD1501-1542--Agricultural classes
Including farm tenancy, agricultural laborers
HD1549--Gleaning
HD1580--Reclamation of agricultural land. Melioration
HD1635-1702--Utilization and culture of special classes of lands
Including pasture lands, water resources development
HD1711-1741--Irrigation
HD2321-4730.9--Industry
HD2329--Industrialization
HD2330--Rural industries
HD2331-2336--Home labor. Home-based businesses
HD2337-2339--Sweatshops
HD2340.8-2346.5--Small and medium-sized businesses, artisans, handicrafts, trades
HD2350.8-2356--Large industry. Factory system. Big business
HD2365-2385--Contracting. Letting of contracts
HD2421-2429--Trade associations
HD2709-2930.7--Corporations
Including international business enterprises, diversification, industrial concentration, public utilities
HD2951-3575--Cooperation. Cooperative societies
HD3611-4730.9--Industrial policy. The state and industrial organization
Including licensing of occupations and professions, subsidies, inspection, government ownership, municipal services
HD4801-8943--Labor. Work. Working class
HD4861-4895--Labor systems
HD4909-5100.9--Wages
HD5106-5267--Hours of labor
Including overtime, shift work, sick leave, vacations
HD5306-5474--Labor disputes. Strikes and lockouts
HD5481-5630.7--Industrial arbitration. Mediation and conciliation
HD5650-5660--Employee participation in management. Employee ownership. Industrial democracy. Works councils
HD5701-6000.9--Labor market. Labor supply. Labor demand
Including unemployment, manpower policy, occupational training, employment agencies
HD6050-6305--Classes of labor
Including women, children, students, middle-aged and older persons, minorities
HD6350-6940.7--Trade unions. Labor unions. Workers' associations
HD6941-6948--Employers' associations
HD6951-6957--Industrial sociology. Social conditions of labor
HD6958.5-6976--Industrial relations
HD6977-7080--Cost and standard of living
HD7088-7252--Social insurance. Social security. Pension
HD7255-7256--Vocational rehabilitation. Employment of people with disabilities
HD7260-7780.8--Industrial hygiene. Industrial welfare
HD7795-8027--Labor policy. Labor and the state
HD8031--Labor in politics. Political activity of the working class
HD8038--Professions (General). Professional employees
HD8039--By industry or trade
HD8045-8943--By region or country
HD9000-9999--Special industries and trades
HD9000-9495--Agricultural industries
HD9502-9502.5--Energy industries. Energy policy. Fuel trade
HD9506-9624--Mineral industries. Metal trade
HD9650-9663--Chemical industries
HD9665-9675--Pharmaceutical industry
HD9680-9714--Mechanical industries
Including electric utilities, electronic industries, and machinery
HD9715-9717.5--Construction industry
HD9720-9975--Manufacturing industries
HD9999--Miscellaneous industries and trades
HE1-9990--Transportation and communications
HE199-199.5--Freight (General)
HE199.9--Passenger traffic (General)
HE305-311--Urban transportation
HE323-328--Transportation geography. Trade routes
HE331-380--Traffic engineering. Roads and highways. Streets
HE369-373--Traffic surveys (General)
HE374-377--Bridges
HE379-380--Tunnels. Vehicular tunnels
HE380.8-971--Water transportation
HE380.8-560--Waterways
HE561-971--Shipping
HE730-943--Merchant marine. Ocean shipping. Coastwise shipping
HE1001-5600--Railroads. Rapid transit systems
HE5601-5725--Automotive transportation
Including trucking, bus lines, and taxicab service
HE5746-5749--Stage lines
HE5751-5870--Ferries
HE5880-5990--Express service
HE6000-7500--Postal service. Stamps. Philately
HE7511-7549--Pneumatic service
HE7601-8700.9--Telecommunication industry. Telegraph
HE8660-8688--Wireless telegraph. Radiotelegraphy
HE8689-8700.95--Radio and television broadcasting
HE8701-9680.7--Telephone industry
HE9713-9715--Cellular telephone services industry. Wireless telephone industry
HE9719-9721--Artificial satellite telecommunications
HE9723-9737--Signaling
HE9751-9756--Messenger service
HE9761-9900--Air transportation. Airlines
HF1-6182--Commerce
HF294-343--Boards of trade. Chambers of commerce. Merchants' associations
HF1014--Balance of trade
HF1021-1027--Commercial geography. Economic geography
HF1040-1054--Commodities. Commercial products
HF1701-2701--Tariff. Free trade. Protectionism
HF3000-4055--By region or country
HF5001-6182--Business
HF5381-5386--Vocational guidance. Career devlopment
HF5387-5387.5--Business ethics
HF5410-5417.5--Marketing. Distribution of products
HF5419-5422--Wholesale trade
HF5428-5429.6--Retail trade
HF5429.7-5430.6--Shopping centers. Shopping malls
HF5437-5444--Purchasing. Selling. Sales personnel. Sales executives
HF5446-5459--Canvassing. Peddling
HF5460-5469.5--Department stores. Mail order business. Supermarkets. Convenience stores
HF5469.7-5481-- --Markets. Fairs
HF5482-5482.4--Secondhand trade
HF5482.6-5482.65--Black market
HF5484-5495--Warehouses. Storage
HF5520-5541--Office equipment and supplies
HF5546-5548.6--Office management
HF5548.7-5548.85--Industrial psychology
HF5549-5549.5--Personnel management. Employment management
HF5601-5689--Accounting. Bookkeeping
HF5691-5716--Business mathematics. Commercial arithmetic
Including tables, etc.
HF5717-5734.7--Business communication
Including business report writing, business correspondence
HF5735-5746--Business records management
HF5761-5780--Shipment of goods. Delivery of goods
HF5801-6182--Advertising
HG1-9999--Finance
HG178--Liquidity
HG179--Personal finance
HG201-1496--Money
HG258-312--Precious metals. Bullion
HG315--Small coins
HG321-329--Mints. Assaying
HG335-339--Counterfeiting
HG348-353.5--Paper money
HG361-363--Legal tender
HG381-395--International coinage
HG401-421--Bimetallism
HG451-1496--By region or country
HG1501-3550--Banking
HG1621-1638--Interest rates. Interest tables
HG1641-1643--Bank loans. Bank credit. Commercial loans
HG1651-1654--Discount
HG1655--Acceptances
HG1656--Bank reserves. Bank liquidity. Loan loss reserves
HG1660--Bank accounts. Bank deposits. Deposit banking
HG1662--Insurance of deposits. Deposit insurance
HG1685-1704--Drafts. Checks
HG1706-1708--Accounting. Bookkeeping
HG1709--Data processing
HG1710-1710.5--Electronic funds transfers
HG1722--Bank mergers
HG1723--Bank stocks. Banking as an investment
HG1725-1778--Banks and the state. State supervision of banks
HG1811-2351--Special classes of banks and financial institutions
HG2397-3550--By region or country
HG3691-3769--Credit. Debt. Loans
Including credit institutions, credit instruments, consumer credit, bankruptcy
HG3810-4000--Foreign exchange. International finance. International monetary system
HG4001-4285--Finance management. Business finance. Corporation finance
HG4301-4480.9--Trust services. Trust companies
HG4501-6051--Investment, capital formation, speculation
HG4530--Investment companies. Investment trusts. Mutual funds
HG4538--Foreign investments
HG4551-4598--Stock exchanges
HG4621--Stockbrokers. Security dealers. Investment advisers
HG4701-4751--Government securities. Industrial securities. Venture capital
HG4900-5993--By region or country
HG6001-6051--Speculation
HG6105-6270.9--Lotteries
HG8011-9999--Insurance
HG8053.5-8054.45--Insurance for professions. Malpractice insurance. Professional liability insurance
HG8059--Business insurance
HG8075-8107--Insurance business. Insurance management
HG8111-8123--Government policy. State supervision
HG8205-8220--Government insurance
HG8501-8745--By region or country
HG8751-9295--Life insurance
HG8779-8793--Actuarial science. Statistical theory and methodology applied to insurance
HG8799-8830--By class insured, by risk, by plan
HG8835-8899--Life insurance business. Management
HG8901-8914--Government policy. State supervision
HG8941-9200.5--By region or country
HG9201-9245--Mutual life insurance. Assessment life insurance. Fraternal life insurance
HG9251-9262--Industrial life insurance
HG9271--Child insurance. Life insurance for children
HG9291-9295--Maternity insurance
HG9301-9343--Accident insurance
HG9371-9399--Health insurance
HG9651-9899--Fire insurance
HG9956-9969--Casualty insurance
HG9969.5-9999--Other insurance
Including automobile, burglary, credit, disaster, title insurance
HJ9-9940--Public finance
HJ9-99.8--Periodicals. Serials. By region or country
HJ210-240--History
HJ241-1620--By region or country
HJ2005-2216--Income and expenditure. Budget
HJ2240-5908--Revenue. Taxation. Internal revenue
HJ2321-2323--Tax incidence. Tax shifting. Tax equity
HJ2326-2327--Progressive taxation
HJ2336-2337--Tax exemption
HJ2338--Taxation of government property
HJ2351--Inflation and taxation
HJ2351.4--Tax revenue estimating
HJ2361-3192.7--By region or country
HJ3801-3844--Revenue from sources other than taxation
HJ3863-3925--Direct taxation
HJ4113-4601--Property tax
HJ4629-4830--Income tax
HJ4919-4936--Capitation. Poll tax
HJ5309-5510--Administrative fees. User charges. License fees
HJ6603-7390--Customs administration
HJ7461-7980--Expenditures. Government spending
HJ8001-8899--Public debts
HJ8052--Sinking funds. Amortization
HJ8101-8899--By region or country
HJ9103-9695--Local finance. Municipal finance
Including the revenue, budget, expenditure, etc. of counties, boroughs, communes, municipalities, etc.
HJ9701-9940--Public accounting. Auditing
HM(1)-1281--Sociology
(HM1-299)--These are obsolete numbers no longer used by the Library of Congress
HM435-477--History of sociology. History of sociological theory
HM461-473--Schools of sociology. Schools of social thought
HM481-554--Theory. Method. Relations to other subjects
HM621-656--Culture
HM661-696--Social control
HM701--Social systems
HM706--Social structure
HM711-806--Groups and organizations
HM756-781--Community
HM786-806--Organizational sociology. Organization theory
HM811-821--Deviant behavior. Social deviance
HM826--Social institutions
HM831-901--Social change
HM1001-1281--Social psychology
HM1041-1101--Social perception. Social cognition
Including perception of the self and others, prejudices, stereotype
HM1106-1171--Interpersonal relations. Social behavior
HM1176-1281--Social influence. Social pressure
HN1-995--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
HQ1-2044--The Family. Marriage. Women
HQ12-449--Sexual life
HQ19-30.7--Sexual behavior and attitudes. Sexuality
HQ31-64--Sex instruction and sexual ethics
HQ71-72--Sexual deviations
HQ74-74.2--Bisexuality
HQ75-76.8--Homosexuality. Lesbianism
HQ77-77.2--Transvestism
HQ77.7-77.95--Transexualism
HQ79--Sadism. Masochism. Fetishism, etc.
HQ101-440.7--Prostitution
HQ447--Masturbation
HQ449--Emasculation. Eunuchs, etc.
HQ450-472--Erotica
HQ503-1064--The family. Marriage. Home
HQ750-755.5--Eugenics
HQ755.7-759.92--Parents. Parenthood
Including parent and child, husbands, fathers, wives, mothers
HQ760-767.7--Family size
HQ767.8-792.2--Children. Child development
Including child rearing, child life, play, socialization, children's rights
HQ793-799.2--Youth. Adolescents. Teenagers
HQ799.5-799.9--Young men and women
HQ799.95-799.97--Adulthood
HQ800-800.4--Single people
HQ801-801.83--Man-woman relationships. Courtship. Dating
HQ802--Matrimonial bureaus. Marriage brokerage
HQ802.5--Matrimonial advertisements
HQ803--Temporary marriage. Trial marriage. Companionate marriage
HQ804--Breach of promise
HQ805--Desertion
HQ806--Adultery
HQ811-960.7--Divorce
HQ961-967--Free love
HQ981-996--Polygamy
HQ997--Polyandry
HQ998-999--Illegitimacy. Unmarried mothers
HQ1001-1006--The state and marriage
HQ1051-1057--The church and marriage
HQ1058-1058.5--Widows and widowers. Widowhood
HQ1060-1064--Aged. Gerontology (Social aspects). Retirement
HQ1073-1073.5--Thanatology. Death. Dying
HQ1075-1075.5--Sex role
HQ1088-1090.7--Men
HQ1101-2030.7--Women. Feminism
HQ1871-2030.7--Women's clubs
HQ2035-2039--Life skills. Coping skills. Everyday living skills
HQ2042-2044--Life style
HS1-3371--Societies: secret, benevolent, etc.
HS101-330.7--Secret societies
HS351-929--Freemasons
HS951-1179--Odd Fellows
HS1201-1350--Knights of Pythias
HS1355--Other societies
HS1501-2460.7--Other societies. By classes
HS1501-1510--Benevolent and "friendly" societies and mutual assessment fraternities
HS1525-1560--Religious societies
HS1601-2265--Race societies
HS2275--Occupation societies
HS2301-2460.7--Political and "patriotic" societies
HS2501-3371--Clubs. Clubs and societies for special classes
Including boys' societies, Boy scouts, girls' societies
HT51-1595--Communities. Classes. Races
HT51-65--Human settlements. Communities
HT101-395--Urban groups. The city. Urban sociology
HT161-165--Garden cities. "The city beautiful"
HT165.5-169.9--City planning
HT170-178--Urban renewal. Urban redevelopment
HT201-221--City population
Including children in cities, immigration
HT231--Effect of city life
HT251-265--Mental and moral life
HT281--Recreation. Amusements
HT321-325--The city as an economic factor. City promotion
HT330-334--Metropolitan areas
HT351-352--Suburban cities and towns
HT361-384--Urbanization. City and country
HT388--Regional economics. Space in economics
HT390-395--Regional planning
HT401-485--Rural groups. Rural sociology
HT601-1445--Classes
HT621-635--Origin of social classes
HT641-657--Classes arising from birth
Including royalty, nobility, commons
HT675-690--Classes arising from occupation
HT713-725--Caste system
HT731--Freedmen
HT751-815--Serfdom
HT851-1445--Slavery
HT1501-1595--Races
Including race as a social group and race relations in general
HV1-9960--Social pathology. Social and public welfare. Criminology
HV40-69--Social service. Social work. Charity organization and practice
Including social case work, private and public relief, institutional care, rural social work, work relief
HV85-525--By region or country
HV530--The church and charity
HV541--Women and charity
HV544--Charity fairs, bazaars, etc.
HV544.5--International social work
HV547--Self-help groups
HV551.2-639--Emergency management
HV553-639--Relief in case of disasters
HV560-583--Red Cross. Red Crescent
HV599-639--Special types of disasters
HV640-645--Refugee problems
HV650-670--Life saving
HV675-677--Accidents. Prevention of accidents
HV680-696--Free professional services
Including medical charities
HV697-4959--Protection, assistance and relief
HV697-3024--Special classes
HV697-700.7--Families. Mothers. Widow's pensions
HV701-1420.5--Children
HV835-847--Foundlings
HV873-887--Destitute, neglected, and abandoned children. Street children
HV888-907--Children with disabilities
HV931-941--Fresh-air funds
HV959-1420.5--Orphanages. Orphans
HV1421-1441--Young adults. Youth. Teenagers
HV1442-1448--Women
HV1449--Gay men. Lesbians
HV1450-1494--Aged
HV1551-3024--People with disabilities
Including blind, deaf, people with physical and mental disabilities
HV3025-3174--Special classes. By occupation
HV3025-3163--Mariners
HV3165-3173--Shop women, clerks, etc.
HV3174--Other. By occupation
HV3176-3199--Special classes. By race or ethnic group
HV4005-4013--Immigrants
HV4023-4470.7--Poor in cities. Slums
HV4480-4630--Mendicancy. Vagabondism. Tramps. Homelessness
HV4701-4890.9--Protection of animals. Animal rights. Animal welfare
HV4905-4959--Animal experimentation. Anti-vivisection
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
HV6201-6249--Criminal classes
HV6250-6250.4--Victims of crimes. Victimology
HV6251-6773.55--Crimes and offenses
HV6774-7220.5--Crimes and criminal classes
HV7231-9960--Criminal justice administration
HV7428--Social work with delinquents and criminals
HV7431--Prevention of crime, methods, etc.
HV7435-7439--Gun control
HV7551-8280.7--Police. Detectives. Constabulary
HV7935-8025--Administration and organization
HV8031-8080--Police duty. Methods of protection
HV8035-8069--Special classes of crimes, offenses and criminals
HV8073-8079.35--Investigation of crimes. Examination and identification of prisoners
HV8079.2-8079.35--Police social work
HV8079.5-8079.55--Traffic control. Traffic accident investigation
HV8081-8099--Private detectives. Detective bureaus
HV8130-8280.7--By region or country
HV8290-8291--Private security services
HV8301-9920.7--Penology. Prisons. Corrections
HV9051-9230.7--The juvenile offender. Juvenile delinquency. Reform schools, etc.
HV9261-9430.7--Reformation and reclamation of adult prisoners
HV9441-9920.7--By region or country
HV9950-9960--By region or country
HX1-970.7--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