Classification
340 - Law
380 - Commerce, communications & transportation
330 - Economics
59
333 - Economics of land & energy
42
700 - The arts; fine & decorative arts
35
600 - Technology
33
363 - Other social problems & services
32
000 - Computer science, information & general works
31
320 - Political science
26
900 - History & geography
26
620 - Engineering & allied operations
22
610 - Medicine & health
18
140 - Specific philosophical schools
15
500 - Natural sciences & mathematics
12
576 - Genetics & evolution
12
580 - Plants (Botany)
11
300 - Social sciences
8
370 - Education
8
400 - Language
8
530 - Physics
8
170 - Ethics
7
630 - Agriculture & related technologies
7
720 - Architecture
7
551 - Geology, hydrology & meteorology
6
658 - General management
6
100 - Philosophy & psychology
5
200 - Religion
5
410 - Linguistics
4
304 - Factors affecting social behavior
3
414 - Phonology & phonetics
3
800 - Literature & rhetoric
3
301 - Sociology & anthropology
2
350 - Public administration & military science
2
581 - Specific topics in natural history
2
780 - Music
2
791 - Public performances
2
297 - Islam, Babism & Bahai Faith
1
364 - Criminology
1
657 - Accounting
1
770 - Photography, photographs & computer art
1