Classification
000 - Computer science, information & general works
13
140 - Specific philosophical schools
4
300 - Social sciences
3
320 - Political science
1
330 - Economics
3
333 - Economics of land & energy
8
340 - Law
3
363 - Other social problems & services
7
370 - Education
1
380 - Commerce, communications & transportation
5
410 - Linguistics
1
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
7
530 - Physics
1
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
11
576 - Genetics & evolution
6
580 - Plants (Botany)
19
581 - Specific topics in natural history
13
600 - Technology
6
610 - Medicine & health
10
612 - Human physiology
5
620 - Engineering & allied operations
5
630 - Agriculture & related technologies
8
700 - The arts; fine & decorative arts
9
720 - Architecture
2
900 - History & geography
1