Classification
320 - Political science
340 - Law
700 - The arts; fine & decorative arts
330 - Economics
147
900 - History & geography
41
140 - Specific philosophical schools
23
363 - Other social problems & services
20
333 - Economics of land & energy
19
300 - Social sciences
17
000 - Computer science, information & general works
12
600 - Technology
12
100 - Philosophy & psychology
10
170 - Ethics
10
380 - Commerce, communications & transportation
9
610 - Medicine & health
9
576 - Genetics & evolution
7
620 - Engineering & allied operations
7
658 - General management
7
370 - Education
6
500 - Natural sciences & mathematics
6
551 - Geology, hydrology & meteorology
6
720 - Architecture
6
581 - Specific topics in natural history
5
800 - Literature & rhetoric
5
200 - Religion
4
400 - Language
4
791 - Public performances
4
410 - Linguistics
3
630 - Agriculture & related technologies
3
297 - Islam, Babism & Bahai Faith
2
304 - Factors affecting social behavior
2
580 - Plants (Botany)
2
770 - Photography, photographs & computer art
2
160 - Logic
1
301 - Sociology & anthropology
1
337 - International economics
1
342 - Constitutional & administrative law
1
344 - Labor, social, education & cultural law
1
361 - Social problems & social welfare in general
1
364 - Criminology
1
398 - Folklore
1
530 - Physics
1
650 - Management & auxiliary services
1
780 - Music
1
792 - Stage presentations
1
940 - History of Europe
1