Classification
000 - Computer science, information & general works
21
100 - Philosophy & psychology
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
7
170 - Ethics
4
297 - Islam, Babism & Bahai Faith
2
300 - Social sciences
7
304 - Factors affecting social behavior
1
320 - Political science
18
330 - Economics
48
333 - Economics of land & energy
28
340 - Law
3
350 - Public administration & military science
2
361 - Social problems & social welfare in general
2
363 - Other social problems & services
12
370 - Education
15
380 - Commerce, communications & transportation
12
400 - Language
3
410 - Linguistics
1
500 - Natural sciences & mathematics
6
530 - Physics
1
551 - Geology, hydrology & meteorology
5
576 - Genetics & evolution
6
581 - Specific topics in natural history
5
600 - Technology
29
610 - Medicine & health
8
620 - Engineering & allied operations
10
630 - Agriculture & related technologies
4
657 - Accounting
1
658 - General management
7
700 - The arts; fine & decorative arts
21
720 - Architecture
4
800 - Literature & rhetoric
3
900 - History & geography
10