Classification
330 - Economics
28
320 - Political science
13
370 - Education
7
900 - History & geography
7
304 - Factors affecting social behavior
6
700 - The arts; fine & decorative arts
6
300 - Social sciences
5
333 - Economics of land & energy
5
351 - Public administration
5
140 - Specific philosophical schools
4
352 - General considerations of public administration
4
658 - General management
4
340 - Law
3
361 - Social problems & social welfare in general
3
364 - Criminology
3
100 - Philosophy & psychology
2
301 - Sociology & anthropology
2
332 - Financial economics
2
341 - Law of nations
2
360 - Social problems & services; associations
2
380 - Commerce, communications & transportation
2
400 - Language
2
410 - Linguistics
2
414 - Phonology & phonetics
2
153 - Mental processes & intelligence
1
160 - Logic
1
302 - Social interaction
1
338 - Production
1
349 - Law of specific jurisdictions & areas
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
600 - Technology
1
607 - Education, research & related topics
1
610 - Medicine & health
1
634 - Orchards, fruits & forestry
1
650 - Management & auxiliary services
1
943 - Central Europe; Germany
1