Classification
000 - Computer science, information & general works
15
100 - Philosophy & psychology
102 - Miscellany
1
120 - Epistemology, causation & humankind
7
140 - Specific philosophical schools
33
160 - Logic
1
170 - Ethics
22
200 - Religion
52
296 - Judaism
3
297 - Islam, Babism & Bahai Faith
5
300 - Social sciences
27
301 - Sociology & anthropology
8
304 - Factors affecting social behavior
2
320 - Political science
36
330 - Economics
16
333 - Economics of land & energy
9
340 - Law
8
363 - Other social problems & services
8
370 - Education
20
375 - Curricula
1
380 - Commerce, communications & transportation
7
400 - Language
36
410 - Linguistics
26
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
530 - Physics
7
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
580 - Plants (Botany)
3
581 - Specific topics in natural history
5
590 - Animals (Zoology)
1
600 - Technology
6
610 - Medicine & health
13
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
62
720 - Architecture
4
750 - Painting & paintings
1
770 - Photography, photographs & computer art
4
780 - Music
6
791 - Public performances
1
800 - Literature & rhetoric
801 - Philosophy & theory
1
809 - History, description & criticism
7
818 - American miscellaneous writings
1
819 - (Optional number)
1
820 - English & Old English literatures
1
830 - Literatures of Germanic languages
3
831 - German poetry
3
more ...