Classification
000 - Computer science, information & general works
330 - Economics
333 - Economics of land & energy
32
700 - The arts; fine & decorative arts
25
600 - Technology
23
363 - Other social problems & services
20
620 - Engineering & allied operations
18
380 - Commerce, communications & transportation
15
320 - Political science
14
610 - Medicine & health
12
500 - Natural sciences & mathematics
9
580 - Plants (Botany)
9
900 - History & geography
9
551 - Geology, hydrology & meteorology
8
576 - Genetics & evolution
8
140 - Specific philosophical schools
7
304 - Factors affecting social behavior
5
340 - Law
5
630 - Agriculture & related technologies
5
361 - Social problems & social welfare in general
4
800 - Literature & rhetoric
3
100 - Philosophy & psychology
2
170 - Ethics
2
200 - Religion
2
370 - Education
2
400 - Language
2
410 - Linguistics
2
530 - Physics
2
540 - Chemistry & allied sciences
2
581 - Specific topics in natural history
2
658 - General management
2
720 - Architecture
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
350 - Public administration & military science
1
414 - Phonology & phonetics
1
791 - Public performances
1