Classification
301 - Sociology & anthropology
300 - Social sciences
162
900 - History & geography
96
320 - Political science
65
140 - Specific philosophical schools
28
100 - Philosophy & psychology
24
304 - Factors affecting social behavior
24
200 - Religion
23
700 - The arts; fine & decorative arts
23
330 - Economics
16
610 - Medicine & health
15
350 - Public administration & military science
13
340 - Law
12
380 - Commerce, communications & transportation
10
400 - Language
10
333 - Economics of land & energy
9
363 - Other social problems & services
9
600 - Technology
9
370 - Education
8
170 - Ethics
7
297 - Islam, Babism & Bahai Faith
7
780 - Music
6
800 - Literature & rhetoric
6
361 - Social problems & social welfare in general
5
410 - Linguistics
5
398 - Folklore
4
620 - Engineering & allied operations
4
000 - Computer science, information & general works
3
364 - Criminology
3
360 - Social problems & services; associations
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
581 - Specific topics in natural history
2
630 - Agriculture & related technologies
2
720 - Architecture
2
160 - Logic
1
296 - Judaism
1
414 - Phonology & phonetics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
590 - Animals (Zoology)
1
658 - General management
1
791 - Public performances
1
920 - Biography, genealogy & insignia
1