Classification
363 - Other social problems & services
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
900 - History & geography
600 - Technology
50
620 - Engineering & allied operations
45
333 - Economics of land & energy
36
330 - Economics
27
000 - Computer science, information & general works
26
140 - Specific philosophical schools
19
720 - Architecture
18
320 - Political science
16
370 - Education
12
576 - Genetics & evolution
11
610 - Medicine & health
11
551 - Geology, hydrology & meteorology
9
580 - Plants (Botany)
9
340 - Law
8
581 - Specific topics in natural history
6
800 - Literature & rhetoric
6
300 - Social sciences
5
400 - Language
5
301 - Sociology & anthropology
4
500 - Natural sciences & mathematics
4
658 - General management
4
200 - Religion
3
530 - Physics
3
630 - Agriculture & related technologies
3
100 - Philosophy & psychology
2
170 - Ethics
2
304 - Factors affecting social behavior
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
361 - Social problems & social welfare in general
1
414 - Phonology & phonetics
1
550 - Earth sciences
1
590 - Animals (Zoology)
1
650 - Management & auxiliary services
1
780 - Music
1
791 - Public performances
1