Classification
700 - The arts; fine & decorative arts
226
000 - Computer science, information & general works
203
600 - Technology
178
333 - Economics of land & energy
159
330 - Economics
122
620 - Engineering & allied operations
118
610 - Medicine & health
117
900 - History & geography
101
363 - Other social problems & services
94
380 - Commerce, communications & transportation
82
580 - Plants (Botany)
57
140 - Specific philosophical schools
55
576 - Genetics & evolution
53
500 - Natural sciences & mathematics
44
320 - Political science
41
658 - General management
41
540 - Chemistry & allied sciences
39
551 - Geology, hydrology & meteorology
35
370 - Education
24
530 - Physics
22
414 - Phonology & phonetics
20
720 - Architecture
20
800 - Literature & rhetoric
20
340 - Law
19
570 - Life sciences; biology
15
630 - Agriculture & related technologies
15
400 - Language
14
581 - Specific topics in natural history
14
300 - Social sciences
11
338 - Production
11
612 - Human physiology
11
004 - Data processing & computer science
10
005 - Computer programming, programs & data
9
304 - Factors affecting social behavior
9
410 - Linguistics
8
519 - Probabilities & applied mathematics
8
520 - Astronomy & allied sciences
8
615 - Pharmacology & therapeutics
8
100 - Philosophy & psychology
7
361 - Social problems & social welfare in general
7
541 - Physical chemistry
6
170 - Ethics
4
331 - Labor economics
4
780 - Music
4
546 - Inorganic chemistry
3
160 - Logic
2
200 - Religion
2
297 - Islam, Babism & Bahai Faith
2
510 - Mathematics
2
539 - Modern physics
2
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