Classification
581 - Specific topics in natural history
100 - Philosophy & psychology
43
363 - Other social problems & services
26
140 - Specific philosophical schools
19
320 - Political science
17
200 - Religion
14
700 - The arts; fine & decorative arts
14
900 - History & geography
14
170 - Ethics
13
333 - Economics of land & energy
13
330 - Economics
11
301 - Sociology & anthropology
10
000 - Computer science, information & general works
9
600 - Technology
9
300 - Social sciences
8
340 - Law
6
380 - Commerce, communications & transportation
6
576 - Genetics & evolution
5
610 - Medicine & health
5
800 - Literature & rhetoric
5
500 - Natural sciences & mathematics
4
551 - Geology, hydrology & meteorology
4
120 - Epistemology, causation & humankind
3
370 - Education
3
400 - Language
3
530 - Physics
3
580 - Plants (Botany)
3
620 - Engineering & allied operations
3
297 - Islam, Babism & Bahai Faith
2
780 - Music
2
350 - Public administration & military science
1
410 - Linguistics
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
590 - Animals (Zoology)
1
630 - Agriculture & related technologies
1
791 - Public performances
1