Classification
514 - Topology
40
515 - Analysis
34
516 - Geometry
27
320 - Political science
15
327 - International relations
14
303 - Social processes
13
337 - International economics
13
909 - World history
11
519 - Probabilities & applied mathematics
10
512 - Algebra
9
530 - Physics
6
338 - Production
5
355 - Military science
4
658 - General management
4
305 - Social groups
3
306 - Culture & institutions
3
941 - British Isles
3
301 - Sociology & anthropology
2
930 - History of ancient world to ca. 499
2
940 - History of Europe
2
014 - Bibliographies of anonymous & pseudonymous works
1
302 - Social interaction
1
370 - Education
1
388 - Transportation; ground transportation
1
511 - General principles of mathematics
1
576 - Genetics & evolution
1
616 - Diseases
1
950 - History of Asia; Far East
1