Classification
300 - Social sciences
23
320 - Political science
21
004 - Data processing & computer science
17
340 - Law
13
302 - Social interaction
12
330 - Economics
11
900 - History & geography
10
005 - Computer programming, programs & data
8
370 - Education
8
306 - Culture & institutions
7
006 - Special computer methods
6
658 - General management
6
690 - Buildings
6
305 - Social groups
5
616 - Diseases
5
700 - The arts; fine & decorative arts
5
100 - Philosophy & psychology
4
150 - Psychology
4
327 - International relations
4
371 - Schools & their activities; special education
4
617 - Surgery & related medical specialties
4
361 - Social problems & social welfare in general
3
379 - Public policy issues in education
3
610 - Medicine & health
3
650 - Management & auxiliary services
3
158 - Applied psychology
2
304 - Factors affecting social behavior
2
307 - Communities
2
346 - Private law
2
363 - Other social problems & services
2
500 - Natural sciences & mathematics
2
551 - Geology, hydrology & meteorology
2
620 - Engineering & allied operations
2
943 - Central Europe; Germany
2
003 - Systems
1
069 - Museum science
1
128 - Humankind
1
142 - Critical philosophy
1
174 - Occupational ethics
1
190 - Modern western philosophy
1
200 - Religion
1
210 - Philosophy & theory of religion
1
241 - Christian ethics
1
260 - Social & ecclesiastical theology
1
301 - Sociology & anthropology
1
322 - Relation of state to organized groups
1
331 - Labor economics
1
333 - Economics of land & energy
1
336 - Public finance
1
338 - Production
1
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