000

Generalities

500

Natural Sciences & Math

010

Bibliography

510

Math

020

Library & information science

520

Astronomy

030

General encyclopedias

530

Physics

040

Not used

540

Chemistry

050

General serial publications

550

Earth sciences

060

Organizations

560

Paleontology

070

Journalism, publishing, media

570

Life sciences

080

General collections

580

Plants

090

Manuscripts & rare books

590

Animals

100

Philosophy & Pscyhology

600

Technology & Applied Sciences

110

Metaphysics

610

Medicine

120

Epistemology, causation, humankind

620

Engineering

130

Paranormal phenomenon

630

Agriculture

140

Specific philosophical schools

640

Home economics (cooking)

150

Psychology

650

Management

160

Logic

660

Chemical engineering

170

Ethics

670

Manufacturing

180

Ancient, medieval, Oriental philosophy

680

Manufacture for specific uses

190

Modern western philosophy

690

Building

200

Religion

700

Arts, Sports, Recreation

210

Philosophy & theory of religion

710

Civic & landscape art

220

Bible

720

Architecture

230

Christianity

730

Plastic arts (sculpture)

240

Christian moral & devotional theology

740

Drawing & decorative art

250

Christian orders & local church

750

Painting

260

Social & ecclesiastical theology

760

Graphic arts

270

History of Christianity & Christian sects

770

Photography

280

Christian denominations

780

Music

290

Comparative religion & other religions

790

Recreation, performing arts, sports

300

Social Sciences

800

Literature & Rhetoric

310

Statistics

810

American 

320

Political science

820

English & Old English

330

Economics

830

Germanic

340

Law

840

French

350

Public administration & military science

850

Italian, Romanian

360

Social programs & services

860

Spanish, Portuguese

370

Education

870

Latin

380

Commerce

880

Greek

390

Customs, etiquette, folklore

890

Other literatures

400

Language

900

Geography, History, Biography

410

Linguisitics

910

Geography, travel

420

English & Old English

920

Biography, genealogy, insignia

430

Germanic

930

Ancient world

440

Frechn

940

Europe

450

Italian, Romanian, Rhaeto-Romanic

950

Asia

460

Spanish & Portuguese

960

Africa

470

Latin

970

North America

480

Greek

980

South America

490

Other languages

990

Other areas