Classification
330 - Economics
79
363 - Other social problems & services
13
333 - Economics of land & energy
5
338 - Production
4
620 - Engineering & allied operations
2
658 - General management
2
083 - Collections in other Germanic languages
1
300 - Social sciences
1
302 - Social interaction
1
303 - Social processes
1
304 - Factors affecting social behavior
1
320 - Political science
1
344 - Labor, social, education & cultural law
1
362 - Social welfare problems & services
1
368 - Insurance
1
382 - International commerce
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
630 - Agriculture & related technologies
1
639 - Hunting, fishing & conservation
1
650 - Management & auxiliary services
1