Classification
300 - Social sciences
658 - General management
101
330 - Economics
76
338 - Production
67
331 - Labor economics
47
302 - Social interaction
45
500 - Natural sciences & mathematics
33
700 - The arts; fine & decorative arts
32
670 - Manufacturing
29
900 - History & geography
17
320 - Political science
10
650 - Management & auxiliary services
10
000 - Computer science, information & general works
9
620 - Engineering & allied operations
8
158 - Applied psychology
7
600 - Technology
7
791 - Public performances
7
370 - Education
6
384 - Communications; telecommunication
6
153 - Mental processes & intelligence
5
200 - Religion
5
333 - Economics of land & energy
5
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
001 - Knowledge
4
140 - Specific philosophical schools
4
301 - Sociology & anthropology
4
610 - Medicine & health
4
100 - Philosophy & psychology
3
120 - Epistemology, causation & humankind
3
340 - Law
3
381 - Commerce
3
400 - Language
2
800 - Literature & rhetoric
2
011 - Bibliographies
1
150 - Psychology
1
152 - Perception, movement, emotions & drives
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
306 - Culture & institutions
1
332 - Financial economics
1
352 - General considerations of public administration
1
410 - Linguistics
1
551 - Geology, hydrology & meteorology
1
745 - Decorative arts
1
780 - Music
1