Classification
000 - Computer science, information & general works
41
140 - Specific philosophical schools
10
160 - Logic
1
170 - Ethics
2
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
2
320 - Political science
7
330 - Economics
333 - Economics of land & energy
39
340 - Law
4
361 - Social problems & social welfare in general
1
363 - Other social problems & services
20
370 - Education
2
380 - Commerce, communications & transportation
13
400 - Language
2
410 - Linguistics
2
414 - Phonology & phonetics
5
500 - Natural sciences & mathematics
7
530 - Physics
3
540 - Chemistry & allied sciences
6
551 - Geology, hydrology & meteorology
8
576 - Genetics & evolution
11
580 - Plants (Botany)
18
581 - Specific topics in natural history
3
600 - Technology
44
610 - Medicine & health
16
612 - Human physiology
1
620 - Engineering & allied operations
31
630 - Agriculture & related technologies
7
658 - General management
5
700 - The arts; fine & decorative arts
720 - Architecture
6
780 - Music
1
800 - Literature & rhetoric
1
900 - History & geography
23