Classification
370 - Education
285
378 - Higher education
93
371 - Schools & their activities; special education
55
379 - Public policy issues in education
49
306 - Culture & institutions
37
320 - Political science
20
375 - Curricula
15
372 - Elementary education
13
510 - Mathematics
13
333 - Economics of land & energy
10
374 - Adult education
9
500 - Natural sciences & mathematics
8
507 - Education, research & related topics
7
900 - History & geography
7
300 - Social sciences
6
700 - The arts; fine & decorative arts
6
305 - Social groups
5
361 - Social problems & social welfare in general
5
418 - Standard usage & applied linguistics
5
600 - Technology
5
340 - Law
4
551 - Geology, hydrology & meteorology
4
100 - Philosophy & psychology
3
107 - Education, research & related topics
3
304 - Factors affecting social behavior
3
330 - Economics
3
338 - Production
3
658 - General management
3
140 - Specific philosophical schools
2
303 - Social processes
2
341 - Law of nations
2
363 - Other social problems & services
2
520 - Astronomy & allied sciences
2
808 - Rhetoric & collections of literature
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
150 - Psychology
1
155 - Differential & developmental psychology
1
170 - Ethics
1
174 - Occupational ethics
1
200 - Religion
1
301 - Sociology & anthropology
1
302 - Social interaction
1
307 - Communities
1
323 - Civil & political rights
1
362 - Social welfare problems & services
1
380 - Commerce, communications & transportation
1
400 - Language
1
407 - Education, research & related topics
1
410 - Linguistics
1
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