Classification
000 - Computer science, information & general works
1
004 - Data processing & computer science
1
100 - Philosophy & psychology
5
107 - Education, research & related topics
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
2
150 - Psychology
1
155 - Differential & developmental psychology
1
170 - Ethics
1
174 - Occupational ethics
1
200 - Religion
1
300 - Social sciences
7
301 - Sociology & anthropology
1
302 - Social interaction
1
303 - Social processes
2
304 - Factors affecting social behavior
4
305 - Social groups
5
306 - Culture & institutions
36
307 - Communities
1
320 - Political science
19
323 - Civil & political rights
1
330 - Economics
3
333 - Economics of land & energy
8
338 - Production
2
340 - Law
4
341 - Law of nations
2
361 - Social problems & social welfare in general
5
362 - Social welfare problems & services
1
363 - Other social problems & services
2
370 - Education
266
371 - Schools & their activities; special education
54
372 - Elementary education
12
374 - Adult education
9
375 - Curricula
15
378 - Higher education
92
379 - Public policy issues in education
47
407 - Education, research & related topics
1
418 - Standard usage & applied linguistics
4
500 - Natural sciences & mathematics
7
507 - Education, research & related topics
8
510 - Mathematics
13
520 - Astronomy & allied sciences
2
551 - Geology, hydrology & meteorology
4
600 - Technology
2
620 - Engineering & allied operations
1
621 - Applied physics
1
650 - Management & auxiliary services
1
658 - General management
3
700 - The arts; fine & decorative arts
6
780 - Music
1
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