Classification
330 - Economics
543
332 - Financial economics
80
338 - Production
50
362 - Social welfare problems & services
17
333 - Economics of land & energy
16
363 - Other social problems & services
9
320 - Political science
4
630 - Agriculture & related technologies
4
307 - Communities
3
331 - Labor economics
3
346 - Private law
3
352 - General considerations of public administration
3
384 - Communications; telecommunication
3
304 - Factors affecting social behavior
2
339 - Macroeconomics & related topics
2
351 - Public administration
2
354 - Administration of economy & environment
2
364 - Criminology
2
370 - Education
2
658 - General management
2
001 - Knowledge
1
016 - Bibliographies of works on specific subjects
1
030 - General encyclopedic works
1
334 - Cooperatives
1
336 - Public finance
1
350 - Public administration & military science
1
368 - Insurance
1
372 - Elementary education
1
379 - Public policy issues in education
1
382 - International commerce
1
385 - Railroad transportation
1
387 - Water, air & space transportation
1
388 - Transportation; ground transportation
1
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
709 - Historical, geographic & persons treatment
1