Classification
300 - Social sciences
900 - History & geography
203
301 - Sociology & anthropology
116
320 - Political science
115
700 - The arts; fine & decorative arts
46
330 - Economics
38
140 - Specific philosophical schools
36
304 - Factors affecting social behavior
34
100 - Philosophy & psychology
26
600 - Technology
26
370 - Education
24
200 - Religion
22
340 - Law
20
333 - Economics of land & energy
19
363 - Other social problems & services
19
380 - Commerce, communications & transportation
17
800 - Literature & rhetoric
17
620 - Engineering & allied operations
16
364 - Criminology
15
610 - Medicine & health
14
630 - Agriculture & related technologies
13
350 - Public administration & military science
11
400 - Language
11
297 - Islam, Babism & Bahai Faith
8
361 - Social problems & social welfare in general
7
720 - Architecture
7
170 - Ethics
6
551 - Geology, hydrology & meteorology
6
410 - Linguistics
5
296 - Judaism
4
360 - Social problems & services; associations
4
780 - Music
4
120 - Epistemology, causation & humankind
3
520 - Astronomy & allied sciences
3
581 - Specific topics in natural history
3
000 - Computer science, information & general works
2
530 - Physics
2
580 - Plants (Botany)
2
791 - Public performances
2
398 - Folklore
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
920 - Biography, genealogy & insignia
1