Classification
363 - Other social problems & services
333 - Economics of land & energy
24
700 - The arts; fine & decorative arts
23
000 - Computer science, information & general works
22
330 - Economics
18
320 - Political science
16
610 - Medicine & health
16
140 - Specific philosophical schools
15
581 - Specific topics in natural history
14
600 - Technology
14
551 - Geology, hydrology & meteorology
13
620 - Engineering & allied operations
13
580 - Plants (Botany)
12
630 - Agriculture & related technologies
8
300 - Social sciences
7
380 - Commerce, communications & transportation
7
900 - History & geography
7
576 - Genetics & evolution
6
414 - Phonology & phonetics
5
540 - Chemistry & allied sciences
5
370 - Education
4
612 - Human physiology
4
100 - Philosophy & psychology
3
500 - Natural sciences & mathematics
3
658 - General management
3
800 - Literature & rhetoric
3
200 - Religion
2
301 - Sociology & anthropology
2
340 - Law
2
361 - Social problems & social welfare in general
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
336 - Public finance
1
400 - Language
1
410 - Linguistics
1
657 - Accounting
1
720 - Architecture
1