Classification
333 - Economics of land & energy
700 - The arts; fine & decorative arts
58
000 - Computer science, information & general works
48
363 - Other social problems & services
41
600 - Technology
38
620 - Engineering & allied operations
37
610 - Medicine & health
32
900 - History & geography
31
330 - Economics
28
580 - Plants (Botany)
26
380 - Commerce, communications & transportation
24
576 - Genetics & evolution
23
370 - Education
20
581 - Specific topics in natural history
19
140 - Specific philosophical schools
18
551 - Geology, hydrology & meteorology
17
500 - Natural sciences & mathematics
14
320 - Political science
13
414 - Phonology & phonetics
11
540 - Chemistry & allied sciences
11
100 - Philosophy & psychology
10
630 - Agriculture & related technologies
10
300 - Social sciences
8
340 - Law
8
658 - General management
7
301 - Sociology & anthropology
5
400 - Language
5
612 - Human physiology
5
720 - Architecture
5
530 - Physics
4
800 - Literature & rhetoric
4
297 - Islam, Babism & Bahai Faith
3
304 - Factors affecting social behavior
3
410 - Linguistics
2
780 - Music
2
160 - Logic
1
200 - Religion
1
381 - Commerce
1
520 - Astronomy & allied sciences
1