Classification
340 - Law
330 - Economics
162
320 - Political science
159
900 - History & geography
28
610 - Medicine & health
21
140 - Specific philosophical schools
16
700 - The arts; fine & decorative arts
15
576 - Genetics & evolution
11
600 - Technology
11
170 - Ethics
10
380 - Commerce, communications & transportation
9
000 - Computer science, information & general works
8
300 - Social sciences
8
620 - Engineering & allied operations
8
363 - Other social problems & services
6
630 - Agriculture & related technologies
5
100 - Philosophy & psychology
4
301 - Sociology & anthropology
4
333 - Economics of land & energy
4
304 - Factors affecting social behavior
3
364 - Criminology
3
370 - Education
3
400 - Language
3
200 - Religion
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
306 - Culture & institutions
1
331 - Labor economics
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
361 - Social problems & social welfare in general
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
615 - Pharmacology & therapeutics
1
657 - Accounting
1
658 - General management
1
720 - Architecture
1
791 - Public performances
1
800 - Literature & rhetoric
1