Classification
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340 - Law
19
350 - Public administration & military science
1
363 - Other social problems & services
21
364 - Criminology
1
370 - Education
22
380 - Commerce, communications & transportation
11
384 - Communications; telecommunication
1
390 - Customs, etiquette & folklore
1
400 - Language
19
401 - Philosophy & theory
3
410 - Linguistics
10
414 - Phonology & phonetics
1
490 - Other languages
1
500 - Natural sciences & mathematics
7
501 - Philosophy & theory
19
507 - Education, research & related topics
1
509 - Historical, geographic & persons treatment
1
510 - Mathematics
1
511 - General principles of mathematics
3
519 - Probabilities & applied mathematics
1
520 - Astronomy & allied sciences
1
530 - Physics
68
540 - Chemistry & allied sciences
4
551 - Geology, hydrology & meteorology
8
570 - Life sciences; biology
3
576 - Genetics & evolution
16
577 - Ecology
1
580 - Plants (Botany)
9
581 - Specific topics in natural history
11
590 - Animals (Zoology)
1
600 - Technology
34
601 - Philosophy & theory
2
610 - Medicine & health
22
612 - Human physiology
1
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
616 - Diseases
1
620 - Engineering & allied operations
24
621 - Applied physics
1
630 - Agriculture & related technologies
1
658 - General management
7
670 - Manufacturing
1
700 - The arts; fine & decorative arts
65
720 - Architecture
8
780 - Music
5
791 - Public performances
1
800 - Literature & rhetoric
11
801 - Philosophy & theory
1
900 - History & geography
44
910 - Geography & travel
2
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