Classification
303 - Social processes
37
302 - Social interaction
13
330 - Economics
12
500 - Natural sciences & mathematics
11
658 - General management
9
000 - Computer science, information & general works
8
331 - Labor economics
7
006 - Special computer methods
6
320 - Political science
5
153 - Mental processes & intelligence
4
300 - Social sciences
4
338 - Production
4
140 - Specific philosophical schools
3
323 - Civil & political rights
3
384 - Communications; telecommunication
3
700 - The arts; fine & decorative arts
3
004 - Data processing & computer science
2
025 - Library operations
2
100 - Philosophy & psychology
2
301 - Sociology & anthropology
2
304 - Factors affecting social behavior
2
324 - The political process
2
370 - Education
2
380 - Commerce, communications & transportation
2
158 - Applied psychology
1
306 - Culture & institutions
1
327 - International relations
1
340 - Law
1
352 - General considerations of public administration
1
355 - Military science
1
400 - Language
1
570 - Life sciences; biology
1
600 - Technology
1
612 - Human physiology
1
620 - Engineering & allied operations
1
621 - Applied physics
1
650 - Management & auxiliary services
1
670 - Manufacturing
1
900 - History & geography
1