call_number
stringlengths 3
7
| description
stringlengths 3
54
| broader
stringclasses 110
values | narrower
listlengths 0
10
|
|---|---|---|---|
490
|
Other languages
|
490-499
|
[] |
491
|
East Indo-European and Celtic languages
|
490-499
|
[] |
492
|
Afro-Asiatic languages
|
490-499
|
[] |
493
|
Non-Semitic Afro-Asiatic languages
|
490-499
|
[] |
494
|
Altaic, Uralic, Hyperborean & Dravidian
|
490-499
|
[] |
495
|
Languages of east and southeast Asia
|
490-499
|
[] |
496
|
African languages
|
490-499
|
[] |
497
|
North American native languages
|
490-499
|
[] |
498
|
South American native languages
|
490-499
|
[] |
499
|
Austronesian & other languages
|
490-499
|
[] |
500
|
Natural sciences and mathematics
|
500-509
|
[] |
501
|
Philosophy and theory
|
500-509
|
[] |
502
|
Miscellany
|
500-509
|
[] |
503
|
Dictionaries & encyclopedias
|
500-509
|
[] |
504
|
[Unassigned]
|
500-509
|
[] |
505
|
Serial publications
|
500-509
|
[] |
506
|
Organizations and management
|
500-509
|
[] |
507
|
Education, research, related topics
|
500-509
|
[] |
508
|
Natural history
|
500-509
|
[] |
509
|
History, geographic treatment, biography
|
500-509
|
[] |
510
|
Mathematics
|
510-519
|
[] |
511
|
General principles of mathematics
|
510-519
|
[] |
512
|
Algebra
|
510-519
|
[] |
513
|
Arithmetic
|
510-519
|
[] |
514
|
Topology
|
510-519
|
[] |
515
|
Analysis
|
510-519
|
[] |
516
|
Geometry
|
510-519
|
[] |
517
|
[Unassigned]
|
510-519
|
[] |
518
|
Numerical analysis
|
510-519
|
[] |
519
|
Probabilities and applied mathematics
|
510-519
|
[] |
520
|
Astronomy and allied sciences
|
520-529
|
[] |
521
|
Celestial mechanics
|
520-529
|
[] |
522
|
Techniques, equipment & materials
|
520-529
|
[] |
523
|
Specific celestial bodies and phenomena
|
520-529
|
[] |
524
|
[Unassigned]
|
520-529
|
[] |
525
|
Earth (Astronomical geography)
|
520-529
|
[] |
526
|
Mathematical geography
|
520-529
|
[] |
527
|
Celestial navigation
|
520-529
|
[] |
528
|
Ephemerides
|
520-529
|
[] |
529
|
Chronology
|
520-529
|
[] |
530
|
Physics
|
530-539
|
[] |
531
|
Classical mechanics
|
530-539
|
[] |
532
|
Fluid mechanics
|
530-539
|
[] |
533
|
Pneumatics (Gas mechanics)
|
530-539
|
[] |
534
|
Sound and related vibrations
|
530-539
|
[] |
535
|
Light and related radiation
|
530-539
|
[] |
536
|
Heat
|
530-539
|
[] |
537
|
Electricity and electronics
|
530-539
|
[] |
538
|
Magnetism
|
530-539
|
[] |
539
|
Modern physics
|
530-539
|
[] |
540
|
Chemistry and allied sciences
|
540-549
|
[] |
541
|
Physical chemistry
|
540-549
|
[] |
542
|
Techniques, equipment & materials
|
540-549
|
[] |
543
|
Analytical chemistry
|
540-549
|
[] |
544
|
[Unassigned]
|
540-549
|
[] |
545
|
[Unassigned]
|
540-549
|
[] |
546
|
Inorganic chemistry
|
540-549
|
[] |
547
|
Organic chemistry
|
540-549
|
[] |
548
|
Crystallography
|
540-549
|
[] |
549
|
Mineralogy
|
540-549
|
[] |
550
|
Earth sciences
|
550-559
|
[] |
551
|
Geology, hydrology, meteorology
|
550-559
|
[] |
552
|
Petrology
|
550-559
|
[] |
553
|
Economic geology
|
550-559
|
[] |
554
|
Earth sciences of Europe
|
550-559
|
[] |
555
|
Earth sciences of Asia
|
550-559
|
[] |
556
|
Earth sciences of Africa
|
550-559
|
[] |
557
|
Earth sciences of North America
|
550-559
|
[] |
558
|
Earth sciences of South America
|
550-559
|
[] |
559
|
Earth sciences of other areas
|
550-559
|
[] |
560
|
Paleontology
|
560-569
|
[] |
561
|
Paleobotany; fossil microorganisms
|
560-569
|
[] |
562
|
Fossil invertebrates
|
560-569
|
[] |
563
|
Fossil marine & seashore invertebrates
|
560-569
|
[] |
564
|
Fossil Mollusca & Molluscoidea
|
560-569
|
[] |
565
|
Fossil Arthropoda
|
560-569
|
[] |
566
|
Fossil Chordata
|
560-569
|
[] |
567
|
Fossil cold-blooded vertebrates
|
560-569
|
[] |
568
|
Fossil Aves (birds)
|
560-569
|
[] |
569
|
Fossil Mammalia
|
560-569
|
[] |
570
|
Biology
|
570-579
|
[] |
571
|
Physiology & related subjects
|
570-579
|
[] |
572
|
Biochemistry
|
570-579
|
[] |
573
|
Specific physiological systems in animals
|
570-579
|
[] |
574
|
[Unassigned]
|
570-579
|
[] |
575
|
Specific parts of & systems in plants
|
570-579
|
[] |
576
|
Genetics and evolution
|
570-579
|
[] |
577
|
Ecology
|
570-579
|
[] |
578
|
Natural history of organisms
|
570-579
|
[] |
579
|
Microorganisms, fungi & algae
|
570-579
|
[] |
580
|
Plants
|
580-589
|
[] |
581
|
Specific topics in natural history of plants
|
580-589
|
[] |
582
|
Plants noted for characteristics & flowers
|
580-589
|
[] |
583
|
Eudicots and Ceratophyllales
|
580-589
|
[] |
584
|
Monocots, Chloranthales, magnoliids
|
580-589
|
[] |
585
|
Pinophyta
|
580-589
|
[] |
586
|
Cryptogamia
|
580-589
|
[] |
587
|
Pteridophyta
|
580-589
|
[] |
588
|
Bryophyta
|
580-589
|
[] |
589
|
[Unassigned]
|
580-589
|
[] |
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