Classification
301 - Sociology & anthropology
300 - Social sciences
58
900 - History & geography
35
700 - The arts; fine & decorative arts
24
140 - Specific philosophical schools
22
000 - Computer science, information & general works
19
330 - Economics
19
100 - Philosophy & psychology
16
320 - Political science
15
333 - Economics of land & energy
14
200 - Religion
13
363 - Other social problems & services
13
610 - Medicine & health
13
304 - Factors affecting social behavior
12
370 - Education
12
170 - Ethics
10
398 - Folklore
9
340 - Law
8
400 - Language
8
581 - Specific topics in natural history
8
800 - Literature & rhetoric
7
600 - Technology
6
380 - Commerce, communications & transportation
5
500 - Natural sciences & mathematics
5
297 - Islam, Babism & Bahai Faith
4
410 - Linguistics
4
780 - Music
4
120 - Epistemology, causation & humankind
3
361 - Social problems & social welfare in general
3
576 - Genetics & evolution
3
360 - Social problems & services; associations
2
364 - Criminology
2
620 - Engineering & allied operations
2
720 - Architecture
2
336 - Public finance
1
350 - Public administration & military science
1
414 - Phonology & phonetics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
590 - Animals (Zoology)
1
615 - Pharmacology & therapeutics
1
630 - Agriculture & related technologies
1
657 - Accounting
1
658 - General management
1
791 - Public performances
1
980 - History of South America
1