Classification
370 - Education
2
005 - Computer programming, programs & data
1
304 - Factors affecting social behavior
1
327 - International relations
1
330 - Economics
1
338 - Production
1
380 - Commerce, communications & transportation
1
490 - Other languages
1
512 - Algebra
1
515 - Analysis
1
577 - Ecology
1
615 - Pharmacology & therapeutics
1
658 - General management
1
781 - General principles & musical forms
1