Classification
510 - Mathematics
4
305 - Social groups
2
362 - Social welfare problems & services
2
371 - Schools & their activities; special education
2
514 - Topology
2
515 - Analysis
2
516 - Geometry
2
530 - Physics
2
700 - The arts; fine & decorative arts
2
791 - Public performances
2
800 - Literature & rhetoric
2
001 - Knowledge
1
025 - Library operations
1
152 - Perception, movement, emotions & drives
1
220 - Bible
1
277 - History of Christianity in North America
1
302 - Social interaction
1
325 - International migration & colonization
1
331 - Labor economics
1
332 - Financial economics
1
338 - Production
1
345 - Criminal law
1
501 - Philosophy & theory
1
507 - Education, research & related topics
1
511 - General principles of mathematics
1
512 - Algebra
1
704 - Special topics in fine & decorative arts
1
745 - Decorative arts
1
820 - English & Old English literatures
1
909 - World history
1
940 - History of Europe
1
958 - Central Asia
1