Classification
700 - The arts; fine & decorative arts
320 - Political science
40
330 - Economics
34
363 - Other social problems & services
25
900 - History & geography
23
140 - Specific philosophical schools
21
333 - Economics of land & energy
21
610 - Medicine & health
19
600 - Technology
18
380 - Commerce, communications & transportation
16
000 - Computer science, information & general works
15
551 - Geology, hydrology & meteorology
14
300 - Social sciences
12
304 - Factors affecting social behavior
10
100 - Philosophy & psychology
9
200 - Religion
8
576 - Genetics & evolution
8
800 - Literature & rhetoric
8
170 - Ethics
7
370 - Education
7
620 - Engineering & allied operations
7
658 - General management
7
581 - Specific topics in natural history
6
301 - Sociology & anthropology
5
340 - Law
4
400 - Language
4
780 - Music
4
361 - Social problems & social welfare in general
3
410 - Linguistics
3
500 - Natural sciences & mathematics
3
297 - Islam, Babism & Bahai Faith
2
530 - Physics
2
657 - Accounting
2
720 - Architecture
2
336 - Public finance
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
540 - Chemistry & allied sciences
1
590 - Animals (Zoology)
1
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1
770 - Photography, photographs & computer art
1
791 - Public performances
1