Century Past Free Online Library


A Library from the 1920s, of books in the public domain

Organizing our Books: The Century Past Library employs the Dewey Decimal Classification (DDC) system that has been used by most public libraries since the early 20th century. This Subject Catalog is only a partial listing of DDC subject headings. For a more thorough list of DDC headings, see this Wikipedia List of Dewey Decimal classes.

 

— Subject Catalog —

Clicking a subject takes you to a page with book descriptions and book links.

 

000 GENERALITIES

010 Bibliography

012 Bibliographies and catalogs of individuals

016 Bibliographies of works from specific subjects

016.1 Philosophy & psychology
016.2 Religion
016.3 Social sciences
016.32 Debators’ Handbooks
016.5 Natural sciences & mathematics
016.6 Technology (Applied sciences)
016.7 The arts
016.8 Literature & rhetoric
016.9 Geography & history

 

020 Library & information sciences

022 Administration of the physical plant

025 Library operations

028 Reading, use of other information media

 

030 General encyclopedic works

 

050 General serials (Magazines) & their indexes

050.1 Indexes to periodicals

 

070 News media (Newspapers), journalism, publishing

071 News media, journalism, publishing In North America

071.1 United States
071.4 Canada

072 News media, journalism, other English language

072.3 U.K. Wales
072.5 Australia
072.6 New Zealand

 

300 SOCIAL SCIENCES

301 Sociology & anthropology

302 Social Interaction

303 Social processes

305 Social groups

305.4 Women
305.8 Racial, ethnic, national groups

306 Culture & institutions

 

320 Political science (Politics and Government)

321 Systems of governments and states

324 The political process

324.6 Election systems and procedures; suffrage
324.7 Conduct of election campaigns

325 International migration & colonization

325.1 Immigration

326 Slavery & emancipation

327 International relations

328 The legislative process

328.2 Initiative and referendum

 

330 Economics

331 Labor economics

331.1 Labor force and market
331.2 Compensation and other conditions of employment
331.3 Workers of specific age groups
331.4 Women workers
331.6 Categories of workers by racial, ethnic, national origin
331.8 Labor unions (Trade unions), labor-management (collective) bargaining and disputes

332 Financial Economics

332.1 Banks and banking

333 Land Economics

333.7 Natural resources and energy

335 Socialism and related systems

335.4 Marxian systems
335.8 Other systems
335.9 Voluntary socialist and anarchist communities

336 Public finance

336.2 Taxes and taxation

 

340 Law

341 International law

341.7 International cooperation

343 Military, tax, trade, industrial law

344 Social, labor, welfare, health, safety, education, cultural law

 

350 Public Administration

351 Administration of central governments

352 Of local governments

353 Of U.S. federal & state governments

355 Military science

359 Sea (Naval) forces and warfare

 

360 Social services; association

361 General social problems & services

362 Social welfare problems and services

362.5 Problems of and services to the poor
362.8 Problems of and services to other groups

363 Other social problems and services

363.4 Controversies related to public morals and customs

364 Criminology

364.6 Penology

368 Insurance

368.4 Government-sponsored insurance

 

370 Education

375 Curriculum

376 Education of women

 

380 Commerce, communications, transport

381 Internal commerce (Domestic trade)

381.5 Interregional and interstate commerce

382 International commerce (Foreign trade)

382.7 Tariff policy

384 Communications, Telecommunication

385 Railroad transportation

385.1 Economic aspects

387 Water and air transportation

 

390 Customs, etiquette, folklore

391 Costume & personal appearance

395 Etiquette (Manners)

 

600 TECHNOLOGY (Applied sciences)

610 Medical sciences. Medicine

612 Human physiology

613 Promotion of health

613.7 Physical Fitness
613.9 Human genetics. Eugenics

 

620 Engineering & allied operations

621 Applied physics

621.1 Steam power engineering
621.3 Electric engineering
621.4 Heat, air and gas engines
621.7 Mills. Factories. Engineering works

622 Mining & related operations

623 Military and nautical engineering

623.8 Nautical engineering and seamanship

624 Civil engineering

625 Engineering of railroads, roads

625.1 Railroad engineering
625.2 Rolling stock. Operations
625.7 Highway engineering

627 Hydraulic engineering

628 Sanitary & municipal engineering

629 Other branches of engineering

629.1 Aeronautics
629.2 Motor vehicle engineering

 

630 Agriculture

631 Techniques, equipment, materials

631.3 Farm machinery and equipment

634 Orchards, fruits, forestry

634.9 Forestry

635 Garden crops (Horticulture)

636 Animal husbandry

636.1 Horse husbandry
636.7 Dogs

637 Processing dairy & related products

 

640 Home economics & family living

641 Food & drink

645 Household furnishings

646 Sewing, clothing, personal living

649 Child rearing & home care of sick

 

650 Management & auxiliary services

651 Office services

658 General management

659 Advertising & public relations

 

660 Chemical engineering

666 Ceramic & allied technologies

667 Cleaning, color, related technologies

669 Metallurgy

 

670 Manufacturing

671 Metalworking & metal products

675 Leather and fur processing

676 Pulp & paper technology

677 Textiles

 

680 Manufacture for specific uses

682 Small forge work (Blacksmithing)

683 Hardware & household appliances

684 Furnishings & home workshops

687 Clothing

 

700 THE ARTS

720 Architecture

720.1 Theories. Esthetics
720.3 Dictionaries. Encyclopedias
720.9 History

723 Architecture from ca. 300 to 1399

724 Architecture from 1400

725 Public structures

726 Buildings for religious purposes

727 Buildings for education & research

728 Residential & related buildings

729 Design & decoration

 

790 Recreational & performing arts

791 Public performances

792 Stage presentations

793 Indoor games and amusements

794 Indoor games of skill

795 Games of chance

796 Athletic & outdoor sports & games

796.3 Ball games
796.4 Weight lifting, track and field, gymnastics
796.5 Outdoor life
796.8 Combat sports

797 Aquatic & air sports

799 Fishing, hunting, shooting

 

900 GEOGRAPHY, HISTORY, and AUXILIARY DISCIPLINES

909 World history

909.8 19th century, 1800-1899

 

910 Geography and travel

915 Geography of and travel in Asia

916 Geography of and travel in Africa

 

920 Biography

920a Biography Directory

920.03 Biographical Dictionaries
920.1a Collective Biography Directory
920.1 Collective Biography – Authors A-F
920.1 Collective Biography – Authors G-P
920.1 Collective Biography – Authors Q-Z

920 Biography A & B

920 Biography C

920 Biography D, E & F

920 Biography G & H

920 Biography I, J, K & L

920 Biography M, N & O

920 Biography P, Q & R

920 Biography S

920 Biography T, U & V

920 Biography W, X, Y & Z

 

940 General history of Europe

940.1 Early history to 1453
940.2 1453 –
940.3 World War I, 1914-1918

 

950 General history of Asia, Orient, Far East

951 China and adjacent areas

954 South Asia India

959 Southeast Asia

 

960 General history of Africa

962 Egypt and Sudan

967 Central Africa and offshore islands

968 Southern Africa Republic of South Africa

 

970 General history of North America

970.1 North America native peoples

971 Canada

971.1 Publications of Historical Societies in Canada

972 Middle America, Mexico

973 United States

Bibliographies
General histories
Series
973.1 Voyages and discoveries, to 1607
973.2 Colonial period, 1607-1775
973.3 Revolution and Confederation, 1775-1789
973.4 Constitutional period, 1789-1809
973.5 Early nineteenth century, 1809-1845
973.6 Middle nineteenth century, 1845-1861
973.7 Civil War, 1861-1865
973.8 Later nineteenth century, 1865-1901
973.9 Early 20th century, 1901-

 

980 General history of South America

988 Guiana

 

990 General history of other parts of world, of Pacific Ocean Islands

994 Australia

 

FICTION

Fiction Directory

Fiction – Authors A & B

Fiction – Authors C

Fiction – Authors D, E & F

Fiction – Authors G & H

Fiction – Authors I, J, K & L

Fiction – Authors M, N & O

Fiction – Authors P, Q & R

Fiction – Authors S

Fiction – Authors T, U & V

Fiction – Authors W, X, Y & Z

Fiction – Short Story Collections



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