Classification
340 - Law
700 - The arts; fine & decorative arts
13
330 - Economics
11
333 - Economics of land & energy
9
000 - Computer science, information & general works
8
320 - Political science
5
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
500 - Natural sciences & mathematics
5
600 - Technology
5
610 - Medicine & health
5
900 - History & geography
5
140 - Specific philosophical schools
4
576 - Genetics & evolution
4
620 - Engineering & allied operations
3
300 - Social sciences
2
350 - Public administration & military science
2
370 - Education
2
530 - Physics
2
200 - Religion
1
301 - Sociology & anthropology
1
364 - Criminology
1
410 - Linguistics
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
658 - General management
1