Classification
200 - Religion
700 - The arts; fine & decorative arts
900 - History & geography
87
100 - Philosophy & psychology
58
320 - Political science
49
140 - Specific philosophical schools
40
363 - Other social problems & services
28
170 - Ethics
26
301 - Sociology & anthropology
26
330 - Economics
25
300 - Social sciences
24
800 - Literature & rhetoric
23
000 - Computer science, information & general works
20
297 - Islam, Babism & Bahai Faith
19
780 - Music
18
600 - Technology
16
610 - Medicine & health
16
333 - Economics of land & energy
15
340 - Law
14
370 - Education
13
581 - Specific topics in natural history
13
720 - Architecture
10
380 - Commerce, communications & transportation
9
400 - Language
9
410 - Linguistics
7
530 - Physics
6
120 - Epistemology, causation & humankind
5
296 - Judaism
5
620 - Engineering & allied operations
5
304 - Factors affecting social behavior
4
551 - Geology, hydrology & meteorology
4
576 - Genetics & evolution
4
630 - Agriculture & related technologies
4
361 - Social problems & social welfare in general
3
500 - Natural sciences & mathematics
3
580 - Plants (Botany)
3
770 - Photography, photographs & computer art
3
360 - Social problems & services; associations
2
398 - Folklore
2
920 - Biography, genealogy & insignia
2
160 - Logic
1
326 - Slavery & emancipation
1
364 - Criminology
1
520 - Astronomy & allied sciences
1
658 - General management
1