Classification
363 - Other social problems & services
327 - International relations
28
500 - Natural sciences & mathematics
12
658 - General management
10
330 - Economics
9
331 - Labor economics
6
001 - Knowledge
3
551 - Geology, hydrology & meteorology
3
620 - Engineering & allied operations
3
100 - Philosophy & psychology
2
320 - Political science
2
364 - Criminology
2
380 - Commerce, communications & transportation
2
610 - Medicine & health
2
000 - Computer science, information & general works
1
006 - Special computer methods
1
200 - Religion
1
300 - Social sciences
1
302 - Social interaction
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
340 - Law
1
368 - Insurance
1
384 - Communications; telecommunication
1
580 - Plants (Botany)
1
600 - Technology
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1