First Summary (The Ten Main Classes) | |||||||||||||||||||||
000 : Computers, information, & general works | |||||||||||||||||||||
100 : Philosophy & psychology | |||||||||||||||||||||
200 : Religion | |||||||||||||||||||||
300 : Social sciences | |||||||||||||||||||||
400 : Language | |||||||||||||||||||||
500 : Science | |||||||||||||||||||||
600 : Technology | |||||||||||||||||||||
700 : Arts & recreation | |||||||||||||||||||||
800 : Literature | |||||||||||||||||||||
900 : History & geography | |||||||||||||||||||||
Second Summary (The Hundred Divisions)
500 : Science
| 510 : Mathematics
| 520 : Astronomy
| 530 : Physics
| 540 : Chemistry
| 550 : Earth sciences & geology
| 560 : Fossils & prehistoric life
| 570 : Life sciences; biology
| 580 : Plants (Botany)
| 590 : Animals (Zoology)
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| 530 : Physics | 531 : Classical mechanics; solid mechanics | 532 : Fluid mechanics; liquid mechanics | 533 : Gas mechanics | 534 : Sound & related vibrations | 535 : Light & infrared & ultraviolet phenomena | 536 : Heat | 537 : Electricity & electronics | 538 : Magnetism | 539 : Modern physics |