Classification
340 - Law
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
333 - Economics of land & energy
19
363 - Other social problems & services
18
600 - Technology
17
330 - Economics
16
000 - Computer science, information & general works
15
140 - Specific philosophical schools
15
620 - Engineering & allied operations
13
320 - Political science
12
900 - History & geography
12
576 - Genetics & evolution
9
610 - Medicine & health
9
720 - Architecture
9
370 - Education
8
300 - Social sciences
7
500 - Natural sciences & mathematics
7
530 - Physics
5
580 - Plants (Botany)
5
630 - Agriculture & related technologies
5
100 - Philosophy & psychology
4
200 - Religion
4
400 - Language
4
551 - Geology, hydrology & meteorology
4
800 - Literature & rhetoric
4
170 - Ethics
3
304 - Factors affecting social behavior
3
301 - Sociology & anthropology
2
410 - Linguistics
2
658 - General management
2
780 - Music
2
297 - Islam, Babism & Bahai Faith
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
770 - Photography, photographs & computer art
1
791 - Public performances
1