Classification
370 - Education
574
330 - Economics
93
320 - Political science
73
340 - Law
28
820 - English & Old English literatures
28
306 - Culture & institutions
25
616 - Diseases
25
900 - History & geography
25
333 - Economics of land & energy
22
371 - Schools & their activities; special education
20
304 - Factors affecting social behavior
19
380 - Commerce, communications & transportation
14
379 - Public policy issues in education
12
658 - General management
12
300 - Social sciences
10
507 - Education, research & related topics
10
378 - Higher education
9
610 - Medicine & health
9
363 - Other social problems & services
8
374 - Adult education
8
620 - Engineering & allied operations
8
700 - The arts; fine & decorative arts
8
005 - Computer programming, programs & data
5
200 - Religion
5
338 - Production
5
420 - English & Old English
5
600 - Technology
5
617 - Surgery & related medical specialties
5
650 - Management & auxiliary services
5
004 - Data processing & computer science
4
250 - Christian orders & local church
4
305 - Social groups
4
345 - Criminal law
4
350 - Public administration & military science
4
550 - Earth sciences
4
230 - Christianity & Christian theology
3
307 - Communities
3
331 - Labor economics
3
332 - Financial economics
3
336 - Public finance
3
515 - Analysis
3
576 - Genetics & evolution
3
577 - Ecology
3
621 - Applied physics
3
720 - Architecture
3
940 - History of Europe
3
000 - Computer science, information & general works
2
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
301 - Sociology & anthropology
2
more ...