Classification
512 - Algebra
3
302 - Social interaction
1
304 - Factors affecting social behavior
1
306 - Culture & institutions
1
320 - Political science
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
515 - Analysis
1
519 - Probabilities & applied mathematics
1
543 - Analytical chemistry
1
570 - Life sciences; biology
1
571 - Physiology & related subjects
1
591 - Specific topics in natural history
1
658 - General management
1
792 - Stage presentations
1
809 - History, description & criticism
1