| 500 |
Natural sciences & mathematics |
| 501 |
Philosophy & theory |
| 502 |
Miscellany |
| 503 |
Dictionaries & encyclopedias |
| 505 |
Serial publications |
| 506 |
Organizations & management |
| 507 |
Education, research, related topics
|
| 508 |
Natural history |
| 509 |
Historical, areas, persons treatment
|
| 510 |
Mathematics |
| 511 |
General principles |
| 512 |
Algebra & number theory |
| 513 |
Arithmetic |
| 514 |
Topology |
| 515 |
Analysis |
| 516 |
Geometry |
| 519 |
Probabilities & applied mathematics
|
| 520 |
Astronomy & allied sciences |
| 521 |
Celestial mechanics |
| 522 |
Techniques, equipment, materials |
| 523 |
Specific celestial bodies & phenomena
|
| 525 |
Earth (Astronomical geography) |
| 526 |
Mathematical geography |
| 527 |
Celestial navigation |
| 528 |
Ephemerides |
| 529 |
Chronology |
| 530 |
Physics |
| 531 |
Classical mechanics Solid mechanics
|
| 532 |
Fluid mechanics Liquid mechanics |
| 533 |
Gas mechanics |
| 534 |
Sound & related vibrations |
| 535 |
Light & paraphotic phenomena |
| 536 |
Heat |
| 537 |
Electricity & electronics |
| 538 |
Magnetism |
| 539 |
Modern physics |
| 540 |
Chemistry & allied sciences |
| 541 |
Physical & theoretical chemistry |
| 542 |
Techniques, equipment, materials |
| 543 |
Analytical chemistry |
| 544 |
Qualitative analysis |
| 545 |
Quantitative analysis |
| 546 |
Inorganic chemistry |
| 547 |
Organic chemistry |
| 548 |
Crystallography |
| 549 |
Mineralogy |
| 550 |
Earth sciences |
| 551 |
Geology, hydrology, meteorology |
| 552 |
Petrology |
| 553 |
Economic geology |
| 554 |
Earth sciences of Europe |
| 555 |
Earth sciences of Asia |
| 556 |
Earth sciences of Africa |
| 557 |
Earth sciences of North America |
| 558 |
Earth sciences of South America |
| 559 |
Earth sciences of other areas |
| 560 |
Paleontology Paleozoology |
| 561 |
Paleobotany |
| 562 |
Fossil invertebrates |
| 563 |
Fossil primitive phyla |
| 564 |
Fossil Mollusca & Molluscoidea |
| 565 |
Other fossil invertebrates |
| 566 |
Fossil Vertebrata (Fossil Craniata)
|
| 567 |
Fossil cold-blooded vertebrates |
| 568 |
Fossil Aves (Fossil birds) |
| 569 |
Fossil Mammalia |
| 570 |
Life sciences |
| 572 |
Human races |
| 573 |
Physical anthropology |
| 574 |
Biology |
| 575 |
Evolution & genetics |
| 576 |
Microbiology |
| 577 |
General nature of life |
| 578 |
Microscopy in biology |
| 579 |
Collection and preservation |
| 580 |
Botanical sciences |
| 581 |
Botany |
| 582 |
Spermatophyta (Seed-bearing plants) |
| 583 |
Dicotyledones |
| 584 |
Monocotyledones |
| 585 |
Gymnospermae (Pinophyta) |
| 586 |
Cryptogamia (Seedless plants) |
| 587 |
Pteridophyta (Vascular cryptograms)
|
| 588 |
Bryophyta |
| 589 |
Thallobionta & Prokaryotae |
| 590 |
Zoological sciences |
| 591 |
Zoology |
| 592 |
Invertebrates |
| 593 |
Protozoa, Echinodermata, related phyla
|
| 594 |
Mollusca & Molluscoidea |
| 595 |
Other invertebrates |
| 596 |
Vertebrata (Craniata, Vertebrates) |
| 597 |
Cold-blooded vertebrates Fishes |
| 598 |
Aves (Birds) |
| 599 |
Mammalia (Mammals) |
Dewey
Decimal Classification System
