Classification
100 - Philosophy & psychology
370 - Education
24
610 - Medicine & health
19
333 - Economics of land & energy
15
700 - The arts; fine & decorative arts
12
000 - Computer science, information & general works
6
300 - Social sciences
6
320 - Political science
6
330 - Economics
6
600 - Technology
6
900 - History & geography
6
363 - Other social problems & services
5
380 - Commerce, communications & transportation
5
140 - Specific philosophical schools
3
170 - Ethics
3
200 - Religion
3
620 - Engineering & allied operations
3
304 - Factors affecting social behavior
2
616 - Diseases
2
800 - Literature & rhetoric
2
155 - Differential & developmental psychology
1
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
361 - Social problems & social welfare in general
1
400 - Language
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
615 - Pharmacology & therapeutics
1
780 - Music
1