Classification
006 - Special computer methods
5
302 - Social interaction
3
305 - Social groups
3
320 - Political science
3
658 - General management
3
004 - Data processing & computer science
2
005 - Computer programming, programs & data
2
306 - Culture & institutions
2
330 - Economics
2
620 - Engineering & allied operations
2
809 - History, description & criticism
2
003 - Systems
1
158 - Applied psychology
1
300 - Social sciences
1
322 - Relation of state to organized groups
1
327 - International relations
1
332 - Financial economics
1
333 - Economics of land & energy
1
337 - International economics
1
362 - Social welfare problems & services
1
363 - Other social problems & services
1
374 - Adult education
1
418 - Standard usage & applied linguistics
1
510 - Mathematics
1
615 - Pharmacology & therapeutics
1
616 - Diseases
1
621 - Applied physics
1
629 - Other branches of engineering
1
657 - Accounting
1
791 - Public performances
1
801 - Philosophy & theory
1
900 - History & geography
1
940 - History of Europe
1