Classification
306 - Culture & institutions
162
370 - Education
157
378 - Higher education
67
379 - Public policy issues in education
44
371 - Schools & their activities; special education
40
305 - Social groups
31
300 - Social sciences
27
301 - Sociology & anthropology
19
418 - Standard usage & applied linguistics
17
320 - Political science
15
372 - Elementary education
15
304 - Factors affecting social behavior
13
333 - Economics of land & energy
13
375 - Curricula
13
100 - Philosophy & psychology
10
510 - Mathematics
10
700 - The arts; fine & decorative arts
10
374 - Adult education
9
507 - Education, research & related topics
8
361 - Social problems & social welfare in general
6
302 - Social interaction
5
140 - Specific philosophical schools
4
303 - Social processes
4
155 - Differential & developmental psychology
3
307 - Communities
3
551 - Geology, hydrology & meteorology
3
613 - Personal health & safety
3
658 - General management
3
107 - Education, research & related topics
2
200 - Religion
2
297 - Islam, Babism & Bahai Faith
2
327 - International relations
2
330 - Economics
2
363 - Other social problems & services
2
364 - Criminology
2
520 - Astronomy & allied sciences
2
607 - Education, research & related topics
2
120 - Epistemology, causation & humankind
1
142 - Critical philosophy
1
150 - Psychology
1
153 - Mental processes & intelligence
1
170 - Ethics
1
174 - Occupational ethics
1
323 - Civil & political rights
1
331 - Labor economics
1
339 - Macroeconomics & related topics
1
341 - Law of nations
1
350 - Public administration & military science
1
398 - Folklore
1
400 - Language
1
more ...