Classification
120 - Epistemology, causation & humankind
100 - Philosophy & psychology
78
900 - History & geography
33
170 - Ethics
27
700 - The arts; fine & decorative arts
26
320 - Political science
24
200 - Religion
19
530 - Physics
19
300 - Social sciences
18
140 - Specific philosophical schools
17
333 - Economics of land & energy
14
000 - Computer science, information & general works
13
370 - Education
12
340 - Law
11
400 - Language
10
600 - Technology
10
500 - Natural sciences & mathematics
8
610 - Medicine & health
8
620 - Engineering & allied operations
7
800 - Literature & rhetoric
7
380 - Commerce, communications & transportation
6
301 - Sociology & anthropology
5
363 - Other social problems & services
5
410 - Linguistics
5
551 - Geology, hydrology & meteorology
4
580 - Plants (Botany)
4
160 - Logic
3
330 - Economics
3
350 - Public administration & military science
3
576 - Genetics & evolution
3
304 - Factors affecting social behavior
2
520 - Astronomy & allied sciences
2
581 - Specific topics in natural history
2
920 - Biography, genealogy & insignia
2
297 - Islam, Babism & Bahai Faith
1
540 - Chemistry & allied sciences
1
657 - Accounting
1
658 - General management
1
720 - Architecture
1
791 - Public performances
1