Classification
333 - Economics of land & energy
27
338 - Production
26
330 - Economics
15
363 - Other social problems & services
14
304 - Factors affecting social behavior
7
320 - Political science
6
300 - Social sciences
3
500 - Natural sciences & mathematics
3
700 - The arts; fine & decorative arts
3
140 - Specific philosophical schools
2
303 - Social processes
2
332 - Financial economics
2
577 - Ecology
2
621 - Applied physics
2
657 - Accounting
2
658 - General management
2
900 - History & geography
2
000 - Computer science, information & general works
1
083 - Collections in other Germanic languages
1
100 - Philosophy & psychology
1
170 - Ethics
1
174 - Occupational ethics
1
331 - Labor economics
1
340 - Law
1
341 - Law of nations
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
690 - Buildings
1
720 - Architecture
1