Library of Congress Classification &
Relevant Subject Headings
- Subclass HV
- 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
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