Classification
000 - Computer science, information & general works
35
001 - Knowledge
1
100 - Philosophy & psychology
74
120 - Epistemology, causation & humankind
4
140 - Specific philosophical schools
46
160 - Logic
13
170 - Ethics
21
200 - Religion
67
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
13
300 - Social sciences
132
301 - Sociology & anthropology
21
304 - Factors affecting social behavior
81
320 - Political science
330 - Economics
758
333 - Economics of land & energy
165
336 - Public finance
6
340 - Law
52
350 - Public administration & military science
4
360 - Social problems & services; associations
4
361 - Social problems & social welfare in general
9
363 - Other social problems & services
61
364 - Criminology
3
370 - Education
378 - Higher education
1
380 - Commerce, communications & transportation
40
400 - Language
35
410 - Linguistics
11
414 - Phonology & phonetics
2
500 - Natural sciences & mathematics
13
530 - Physics
5
540 - Chemistry & allied sciences
3
550 - Earth sciences
2
551 - Geology, hydrology & meteorology
20
576 - Genetics & evolution
7
580 - Plants (Botany)
1
581 - Specific topics in natural history
7
600 - Technology
81
610 - Medicine & health
93
620 - Engineering & allied operations
16
630 - Agriculture & related technologies
31
657 - Accounting
2
658 - General management
12
700 - The arts; fine & decorative arts
101
720 - Architecture
8
770 - Photography, photographs & computer art
2
780 - Music
8
791 - Public performances
1
800 - Literature & rhetoric
13
900 - History & geography
115
more ...