Classification
301 - Sociology & anthropology
900 - History & geography
300 - Social sciences
160
320 - Political science
82
700 - The arts; fine & decorative arts
81
100 - Philosophy & psychology
79
140 - Specific philosophical schools
66
200 - Religion
65
800 - Literature & rhetoric
41
330 - Economics
35
400 - Language
27
340 - Law
26
363 - Other social problems & services
26
610 - Medicine & health
25
410 - Linguistics
22
780 - Music
22
000 - Computer science, information & general works
20
600 - Technology
20
333 - Economics of land & energy
19
304 - Factors affecting social behavior
17
370 - Education
17
380 - Commerce, communications & transportation
16
576 - Genetics & evolution
16
398 - Folklore
14
160 - Logic
11
170 - Ethics
11
581 - Specific topics in natural history
11
720 - Architecture
10
530 - Physics
8
500 - Natural sciences & mathematics
7
620 - Engineering & allied operations
7
630 - Agriculture & related technologies
6
297 - Islam, Babism & Bahai Faith
5
364 - Criminology
5
233 - Humankind
3
590 - Animals (Zoology)
3
791 - Public performances
3
120 - Epistemology, causation & humankind
2
350 - Public administration & military science
2
361 - Social problems & social welfare in general
2
414 - Phonology & phonetics
2
540 - Chemistry & allied sciences
2
128 - Humankind
1
231 - God
1
296 - Judaism
1
306 - Culture & institutions
1
360 - Social problems & services; associations
1
520 - Astronomy & allied sciences
1
550 - Earth sciences
1
580 - Plants (Botany)
1
more ...