Classification
320 - Political science
166
900 - History & geography
96
700 - The arts; fine & decorative arts
76
333 - Economics of land & energy
72
140 - Specific philosophical schools
67
330 - Economics
63
363 - Other social problems & services
51
300 - Social sciences
46
000 - Computer science, information & general works
45
340 - Law
45
200 - Religion
40
380 - Commerce, communications & transportation
40
100 - Philosophy & psychology
34
610 - Medicine & health
30
600 - Technology
28
370 - Education
24
551 - Geology, hydrology & meteorology
21
304 - Factors affecting social behavior
19
297 - Islam, Babism & Bahai Faith
17
170 - Ethics
15
301 - Sociology & anthropology
15
620 - Engineering & allied operations
14
800 - Literature & rhetoric
14
400 - Language
13
576 - Genetics & evolution
12
720 - Architecture
10
581 - Specific topics in natural history
9
658 - General management
7
410 - Linguistics
6
530 - Physics
6
580 - Plants (Botany)
6
630 - Agriculture & related technologies
6
414 - Phonology & phonetics
5
780 - Music
5
361 - Social problems & social welfare in general
3
500 - Natural sciences & mathematics
3
120 - Epistemology, causation & humankind
2
296 - Judaism
2
350 - Public administration & military science
2
770 - Photography, photographs & computer art
2
360 - Social problems & services; associations
1
364 - Criminology
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
590 - Animals (Zoology)
1
657 - Accounting
1
791 - Public performances
1