Classification
378 - Higher education
87
370 - Education
32
306 - Culture & institutions
19
374 - Adult education
13
371 - Schools & their activities; special education
9
300 - Social sciences
7
519 - Probabilities & applied mathematics
5
320 - Political science
4
379 - Public policy issues in education
4
658 - General management
4
301 - Sociology & anthropology
3
107 - Education, research & related topics
2
302 - Social interaction
2
304 - Factors affecting social behavior
2
305 - Social groups
2
361 - Social problems & social welfare in general
2
616 - Diseases
2
621 - Applied physics
2
650 - Management & auxiliary services
2
900 - History & geography
2
910 - Geography & travel
2
150 - Psychology
1
303 - Social processes
1
330 - Economics
1
332 - Financial economics
1
336 - Public finance
1
340 - Law
1
400 - Language
1
418 - Standard usage & applied linguistics
1
500 - Natural sciences & mathematics
1
512 - Algebra
1
515 - Analysis
1
541 - Physical chemistry
1
571 - Physiology & related subjects
1
610 - Medicine & health
1
629 - Other branches of engineering
1
634 - Orchards, fruits & forestry
1
670 - Manufacturing
1