Classification
000 - Computer science, information & general works
30
100 - Philosophy & psychology
120 - Epistemology, causation & humankind
17
128 - Humankind
2
140 - Specific philosophical schools
160 - Logic
4
170 - Ethics
103
171 - Ethical systems
1
200 - Religion
81
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
5
300 - Social sciences
55
301 - Sociology & anthropology
40
302 - Social interaction
1
304 - Factors affecting social behavior
7
306 - Culture & institutions
1
320 - Political science
90
330 - Economics
40
333 - Economics of land & energy
36
340 - Law
43
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
4
363 - Other social problems & services
30
364 - Criminology
1
370 - Education
51
380 - Commerce, communications & transportation
20
400 - Language
20
410 - Linguistics
23
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
13
520 - Astronomy & allied sciences
1
530 - Physics
11
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
17
580 - Plants (Botany)
5
581 - Specific topics in natural history
16
590 - Animals (Zoology)
1
600 - Technology
39
610 - Medicine & health
26
612 - Human physiology
5
615 - Pharmacology & therapeutics
2
620 - Engineering & allied operations
13
630 - Agriculture & related technologies
5
658 - General management
1
700 - The arts; fine & decorative arts
73
720 - Architecture
2
770 - Photography, photographs & computer art
4
780 - Music
10
791 - Public performances
1
800 - Literature & rhetoric
33
more ...