Classification
000 - Computer science, information & general works
330 - Economics
363 - Other social problems & services
333 - Economics of land & energy
138
700 - The arts; fine & decorative arts
130
600 - Technology
77
551 - Geology, hydrology & meteorology
69
320 - Political science
66
380 - Commerce, communications & transportation
60
140 - Specific philosophical schools
52
610 - Medicine & health
51
900 - History & geography
47
620 - Engineering & allied operations
45
580 - Plants (Botany)
37
630 - Agriculture & related technologies
35
658 - General management
29
581 - Specific topics in natural history
25
576 - Genetics & evolution
24
340 - Law
18
370 - Education
18
720 - Architecture
18
540 - Chemistry & allied sciences
17
800 - Literature & rhetoric
17
304 - Factors affecting social behavior
14
500 - Natural sciences & mathematics
12
300 - Social sciences
8
400 - Language
8
414 - Phonology & phonetics
8
530 - Physics
8
657 - Accounting
8
410 - Linguistics
7
301 - Sociology & anthropology
6
100 - Philosophy & psychology
5
200 - Religion
5
361 - Social problems & social welfare in general
5
297 - Islam, Babism & Bahai Faith
3
550 - Earth sciences
3
170 - Ethics
2
612 - Human physiology
2
120 - Epistemology, causation & humankind
1
160 - Logic
1
520 - Astronomy & allied sciences
1
590 - Animals (Zoology)
1