Classification
000 - Computer science, information & general works
78
005 - Computer programming, programs & data
1
100 - Philosophy & psychology
19
111 - Ontology
1
120 - Epistemology, causation & humankind
2
140 - Specific philosophical schools
49
160 - Logic
1
170 - Ethics
4
200 - Religion
20
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
9
300 - Social sciences
39
301 - Sociology & anthropology
12
304 - Factors affecting social behavior
3
320 - Political science
54
330 - Economics
50
333 - Economics of land & energy
92
340 - Law
15
363 - Other social problems & services
69
370 - Education
31
380 - Commerce, communications & transportation
50
398 - Folklore
1
400 - Language
18
410 - Linguistics
6
414 - Phonology & phonetics
7
500 - Natural sciences & mathematics
21
520 - Astronomy & allied sciences
1
530 - Physics
8
540 - Chemistry & allied sciences
7
550 - Earth sciences
2
551 - Geology, hydrology & meteorology
20
576 - Genetics & evolution
25
580 - Plants (Botany)
22
581 - Specific topics in natural history
9
600 - Technology
105
610 - Medicine & health
35
612 - Human physiology
1
620 - Engineering & allied operations
92
630 - Agriculture & related technologies
12
650 - Management & auxiliary services
2
657 - Accounting
1
658 - General management
9
700 - The arts; fine & decorative arts
720 - Architecture
355
745 - Decorative arts
1
770 - Photography, photographs & computer art
13
780 - Music
11
791 - Public performances
1
800 - Literature & rhetoric
24
808 - Rhetoric & collections of literature
1
more ...