500s Flashcards
500
500 Natural sciences & mathematics
501
501 Philosophy & theory
502
502 Miscellany
503
503 Dictionaries & encyclopedias
504
504 Not assigned or no longer used
505
505 Serial publications
506
506 Organizations & management
507
507 Education, research, related topics
508
508 Natural history
509
509 Historical, areas, persons treatment
510
510 Mathematics
511
511 General principles
512
512 Algebra & number theory
513
513 Arithmetic
514
514 Topology
515
515 Analysis
516
516 Geometry
517
517 Not assigned or no longer used
518
518 Not assigned or no longer used
519
519 Probabilities & applied mathematics
520
520 Astronomy & allied sciences
521
521 Celestial mechanics
522
522 Techniques, equipment, materials
523
523 Specific celestial bodies & phenomena
524
524 Not assigned or no longer used
525
525 Earth (Astronomical geography)
526
526 Mathematical geography
527
527 Celestial navigation
528
528 Ephemerides
529
529 Chronology
530
530 Physics
531
531 Classical mechanics Solid mechanics
532
532 Fluid mechanics Liquid mechanics
533
533 Gas mechanics
534
534 Sound & related vibrations
535
535 Light & paraphotic phenomena
536
536 Heat
537
537 Electricity & electronics
538
538 Magnetism
539
539 Modern physics
540
540 Chemistry & allied sciences
541
541 Physical & theoretical chemistry
542
542 Techniques, equipment, materials
543
543 Analytical chemistry
544
544 Qualitative analysis
545
545 Quantitative analysis
546
546 Inorganic chemistry
547
547 Organic chemistry
548
548 Crystallography
549
549 Mineralogy
550
550 Earth sciences
551
551 Geology, hydrology, meteorology
552
552 Petrology
553
553 Economic geology
554
554 Earth sciences of Europe
555
555 Earth sciences of Asia
556
556 Earth sciences of Africa
557
557 Earth sciences of North America
558
558 Earth sciences of South America
559
559 Earth sciences of other areas
560
560 Paleontology Paleozoology