Classification
380 - Commerce, communications & transportation
000 - Computer science, information & general works
498
700 - The arts; fine & decorative arts
218
333 - Economics of land & energy
190
330 - Economics
182
600 - Technology
178
363 - Other social problems & services
126
610 - Medicine & health
115
900 - History & geography
92
620 - Engineering & allied operations
89
140 - Specific philosophical schools
87
320 - Political science
86
658 - General management
74
580 - Plants (Botany)
63
551 - Geology, hydrology & meteorology
58
370 - Education
53
576 - Genetics & evolution
52
500 - Natural sciences & mathematics
48
384 - Communications; telecommunication
45
530 - Physics
41
300 - Social sciences
36
540 - Chemistry & allied sciences
35
340 - Law
33
630 - Agriculture & related technologies
31
400 - Language
29
414 - Phonology & phonetics
24
720 - Architecture
23
581 - Specific topics in natural history
20
800 - Literature & rhetoric
20
410 - Linguistics
17
100 - Philosophy & psychology
16
304 - Factors affecting social behavior
15
612 - Human physiology
14
170 - Ethics
12
808 - Rhetoric & collections of literature
11
301 - Sociology & anthropology
9
361 - Social problems & social welfare in general
8
302 - Social interaction
7
519 - Probabilities & applied mathematics
7
780 - Music
7
791 - Public performances
7
004 - Data processing & computer science
6
200 - Religion
6
338 - Production
6
550 - Earth sciences
5
651 - Office services
5
657 - Accounting
5
005 - Computer programming, programs & data
4
297 - Islam, Babism & Bahai Faith
4
331 - Labor economics
3
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