Classification
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361 - Social problems & social welfare in general
4
362 - Social welfare problems & services
18
363 - Other social problems & services
39
364 - Criminology
8
368 - Insurance
28
370 - Education
10
372 - Elementary education
1
379 - Public policy issues in education
1
380 - Commerce, communications & transportation
29
381 - Commerce
15
382 - International commerce
1
384 - Communications; telecommunication
4
385 - Railroad transportation
1
387 - Water, air & space transportation
1
388 - Transportation; ground transportation
1
400 - Language
6
410 - Linguistics
4
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
20
511 - General principles of mathematics
1
519 - Probabilities & applied mathematics
2
526 - Mathematical geography
1
530 - Physics
1
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
23
570 - Life sciences; biology
12
576 - Genetics & evolution
36
580 - Plants (Botany)
18
581 - Specific topics in natural history
17
600 - Technology
39
610 - Medicine & health
28
612 - Human physiology
3
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
620 - Engineering & allied operations
29
628 - Sanitary & municipal engineering
1
630 - Agriculture & related technologies
23
650 - Management & auxiliary services
1
657 - Accounting
39
658 - General management
220
659 - Advertising & public relations
1
670 - Manufacturing
5
700 - The arts; fine & decorative arts
70
709 - Historical, geographic & persons treatment
1
720 - Architecture
4
738 - Ceramic arts
1
760 - Graphic arts; printmaking & prints
21
780 - Music
1
800 - Literature & rhetoric
12
820 - English & Old English literatures
83
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