Classification
340 - Law
320 - Political science
98
900 - History & geography
91
140 - Specific philosophical schools
53
330 - Economics
49
300 - Social sciences
44
100 - Philosophy & psychology
31
700 - The arts; fine & decorative arts
28
333 - Economics of land & energy
18
200 - Religion
17
400 - Language
17
170 - Ethics
16
304 - Factors affecting social behavior
15
370 - Education
15
380 - Commerce, communications & transportation
15
800 - Literature & rhetoric
15
301 - Sociology & anthropology
12
363 - Other social problems & services
11
410 - Linguistics
10
610 - Medicine & health
10
600 - Technology
9
297 - Islam, Babism & Bahai Faith
8
364 - Criminology
7
000 - Computer science, information & general works
6
361 - Social problems & social welfare in general
5
576 - Genetics & evolution
5
350 - Public administration & military science
4
551 - Geology, hydrology & meteorology
4
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
296 - Judaism
3
581 - Specific topics in natural history
3
720 - Architecture
3
120 - Epistemology, causation & humankind
2
360 - Social problems & services; associations
2
780 - Music
2
791 - Public performances
2
398 - Folklore
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
770 - Photography, photographs & computer art
1
920 - Biography, genealogy & insignia
1