Classification
370 - Education
87
375 - Curricula
44
371 - Schools & their activities; special education
25
378 - Higher education
25
510 - Mathematics
23
379 - Public policy issues in education
16
333 - Economics of land & energy
14
418 - Standard usage & applied linguistics
12
507 - Education, research & related topics
12
320 - Political science
10
700 - The arts; fine & decorative arts
8
306 - Culture & institutions
6
372 - Elementary education
5
500 - Natural sciences & mathematics
5
300 - Social sciences
4
304 - Factors affecting social behavior
4
551 - Geology, hydrology & meteorology
3
610 - Medicine & health
3
100 - Philosophy & psychology
2
305 - Social groups
2
363 - Other social problems & services
2
374 - Adult education
2
401 - Philosophy & theory
2
607 - Education, research & related topics
2
001 - Knowledge
1
006 - Special computer methods
1
025 - Library operations
1
107 - Education, research & related topics
1
140 - Specific philosophical schools
1
155 - Differential & developmental psychology
1
301 - Sociology & anthropology
1
302 - Social interaction
1
303 - Social processes
1
323 - Civil & political rights
1
330 - Economics
1
341 - Law of nations
1
430 - Germanic languages; German
1
601 - Philosophy & theory
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
910 - Geography & travel
1