Classification
363 - Other social problems & services
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
333 - Economics of land & energy
84
600 - Technology
81
000 - Computer science, information & general works
79
620 - Engineering & allied operations
62
330 - Economics
60
900 - History & geography
60
610 - Medicine & health
50
140 - Specific philosophical schools
47
320 - Political science
39
551 - Geology, hydrology & meteorology
27
370 - Education
25
576 - Genetics & evolution
25
580 - Plants (Botany)
22
720 - Architecture
21
340 - Law
18
500 - Natural sciences & mathematics
15
300 - Social sciences
13
581 - Specific topics in natural history
13
630 - Agriculture & related technologies
13
658 - General management
11
540 - Chemistry & allied sciences
10
400 - Language
9
414 - Phonology & phonetics
9
800 - Literature & rhetoric
9
304 - Factors affecting social behavior
8
530 - Physics
6
200 - Religion
5
301 - Sociology & anthropology
5
612 - Human physiology
5
100 - Philosophy & psychology
3
170 - Ethics
3
361 - Social problems & social welfare in general
3
410 - Linguistics
3
650 - Management & auxiliary services
2
657 - Accounting
2
780 - Music
2
120 - Epistemology, causation & humankind
1
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
550 - Earth sciences
1
590 - Animals (Zoology)
1
791 - Public performances
1