Classification
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351 - Public administration
3
352 - General considerations of public administration
10
355 - Military science
1
360 - Social problems & services; associations
12
361 - Social problems & social welfare in general
5
362 - Social welfare problems & services
2
363 - Other social problems & services
31
364 - Criminology
7
368 - Insurance
4
370 - Education
16
371 - Schools & their activities; special education
1
373 - Secondary education
1
374 - Adult education
16
379 - Public policy issues in education
2
380 - Commerce, communications & transportation
23
381 - Commerce
19
382 - International commerce
1
384 - Communications; telecommunication
1
400 - Language
3
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
28
510 - Mathematics
3
519 - Probabilities & applied mathematics
4
530 - Physics
4
540 - Chemistry & allied sciences
2
551 - Geology, hydrology & meteorology
5
576 - Genetics & evolution
4
580 - Plants (Botany)
3
581 - Specific topics in natural history
2
600 - Technology
26
610 - Medicine & health
19
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
620 - Engineering & allied operations
14
621 - Applied physics
1
629 - Other branches of engineering
1
630 - Agriculture & related technologies
8
640 - Home & family management
4
650 - Management & auxiliary services
91
657 - Accounting
539
658 - General management
282
659 - Advertising & public relations
1
670 - Manufacturing
8
680 - Manufacture for specific uses
2
700 - The arts; fine & decorative arts
31
720 - Architecture
5
745 - Decorative arts
1
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
5
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