Classification
576 - Genetics & evolution
600 - Technology
19
700 - The arts; fine & decorative arts
19
000 - Computer science, information & general works
18
333 - Economics of land & energy
17
620 - Engineering & allied operations
11
380 - Commerce, communications & transportation
7
658 - General management
7
900 - History & geography
7
330 - Economics
6
500 - Natural sciences & mathematics
6
610 - Medicine & health
5
720 - Architecture
5
140 - Specific philosophical schools
4
363 - Other social problems & services
3
400 - Language
2
414 - Phonology & phonetics
2
551 - Geology, hydrology & meteorology
2
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
320 - Political science
1
340 - Law
1
370 - Education
1
410 - Linguistics
1
530 - Physics
1
580 - Plants (Botany)
1