Classification
000 - Computer science, information & general works
15
100 - Philosophy & psychology
43
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
20
158 - Applied psychology
1
170 - Ethics
13
200 - Religion
160
296 - Judaism
13
297 - Islam, Babism & Bahai Faith
300 - Social sciences
40
301 - Sociology & anthropology
32
304 - Factors affecting social behavior
13
320 - Political science
81
330 - Economics
24
333 - Economics of land & energy
18
340 - Law
26
350 - Public administration & military science
1
361 - Social problems & social welfare in general
2
363 - Other social problems & services
12
370 - Education
22
380 - Commerce, communications & transportation
9
400 - Language
23
410 - Linguistics
7
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
530 - Physics
3
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
4
576 - Genetics & evolution
10
580 - Plants (Botany)
1
581 - Specific topics in natural history
5
600 - Technology
6
610 - Medicine & health
6
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
2
658 - General management
4
700 - The arts; fine & decorative arts
45
720 - Architecture
11
770 - Photography, photographs & computer art
4
780 - Music
7
800 - Literature & rhetoric
22
880 - Hellenic literatures; classical Greek
1
900 - History & geography
122
920 - Biography, genealogy & insignia
1