Classification
100 - Philosophy & psychology
301 - Sociology & anthropology
900 - History & geography
65
300 - Social sciences
56
320 - Political science
37
140 - Specific philosophical schools
34
200 - Religion
31
700 - The arts; fine & decorative arts
24
610 - Medicine & health
20
370 - Education
16
170 - Ethics
15
400 - Language
14
330 - Economics
13
576 - Genetics & evolution
13
340 - Law
10
530 - Physics
10
780 - Music
10
000 - Computer science, information & general works
9
600 - Technology
9
581 - Specific topics in natural history
8
410 - Linguistics
7
380 - Commerce, communications & transportation
6
800 - Literature & rhetoric
6
304 - Factors affecting social behavior
5
620 - Engineering & allied operations
5
160 - Logic
4
333 - Economics of land & energy
4
363 - Other social problems & services
4
120 - Epistemology, causation & humankind
3
398 - Folklore
3
350 - Public administration & military science
2
500 - Natural sciences & mathematics
2
520 - Astronomy & allied sciences
2
540 - Chemistry & allied sciences
2
720 - Architecture
2
110 - Metaphysics
1
233 - Humankind
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
414 - Phonology & phonetics
1
551 - Geology, hydrology & meteorology
1
590 - Animals (Zoology)
1
658 - General management
1
770 - Photography, photographs & computer art
1
791 - Public performances
1
891 - East Indo-European & Celtic literatures
1