Classification
320 - Political science
551 - Geology, hydrology & meteorology
600 - Technology
900 - History & geography
620 - Engineering & allied operations
19
363 - Other social problems & services
13
700 - The arts; fine & decorative arts
11
333 - Economics of land & energy
9
330 - Economics
6
380 - Commerce, communications & transportation
6
610 - Medicine & health
5
000 - Computer science, information & general works
3
720 - Architecture
3
340 - Law
2
370 - Education
2
580 - Plants (Botany)
2
140 - Specific philosophical schools
1
170 - Ethics
1
300 - Social sciences
1
360 - Social problems & services; associations
1
414 - Phonology & phonetics
1
576 - Genetics & evolution
1