Classification
363 - Other social problems & services
700 - The arts; fine & decorative arts
89
333 - Economics of land & energy
88
330 - Economics
87
600 - Technology
86
900 - History & geography
77
000 - Computer science, information & general works
64
320 - Political science
58
140 - Specific philosophical schools
52
620 - Engineering & allied operations
50
380 - Commerce, communications & transportation
48
610 - Medicine & health
47
370 - Education
40
100 - Philosophy & psychology
36
576 - Genetics & evolution
31
551 - Geology, hydrology & meteorology
27
800 - Literature & rhetoric
23
300 - Social sciences
22
500 - Natural sciences & mathematics
20
658 - General management
20
581 - Specific topics in natural history
19
720 - Architecture
19
200 - Religion
17
340 - Law
15
580 - Plants (Botany)
15
304 - Factors affecting social behavior
13
301 - Sociology & anthropology
12
170 - Ethics
11
410 - Linguistics
9
630 - Agriculture & related technologies
9
540 - Chemistry & allied sciences
6
400 - Language
5
530 - Physics
5
297 - Islam, Babism & Bahai Faith
4
361 - Social problems & social welfare in general
3
414 - Phonology & phonetics
3
780 - Music
3
120 - Epistemology, causation & humankind
2
520 - Astronomy & allied sciences
2
160 - Logic
1
364 - Criminology
1
590 - Animals (Zoology)
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
650 - Management & auxiliary services
1
657 - Accounting
1
770 - Photography, photographs & computer art
1
791 - Public performances
1