Classification
380 - Commerce, communications & transportation
330 - Economics
33
320 - Political science
17
384 - Communications; telecommunication
15
658 - General management
12
333 - Economics of land & energy
10
000 - Computer science, information & general works
9
900 - History & geography
7
370 - Education
6
302 - Social interaction
5
304 - Factors affecting social behavior
5
610 - Medicine & health
5
700 - The arts; fine & decorative arts
4
300 - Social sciences
3
400 - Language
3
153 - Mental processes & intelligence
2
336 - Public finance
2
363 - Other social problems & services
2
620 - Engineering & allied operations
2
800 - Literature & rhetoric
2
808 - Rhetoric & collections of literature
2
100 - Philosophy & psychology
1
152 - Perception, movement, emotions & drives
1
260 - Social & ecclesiastical theology
1
301 - Sociology & anthropology
1
316 - General statistics of Africa
1
338 - Production
1
340 - Law
1
361 - Social problems & social welfare in general
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
600 - Technology
1
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1
659 - Advertising & public relations
1
670 - Manufacturing
1
780 - Music
1
791 - Public performances
1