Classification
363 - Other social problems & services
330 - Economics
111
333 - Economics of land & energy
107
320 - Political science
100
700 - The arts; fine & decorative arts
85
600 - Technology
70
000 - Computer science, information & general works
57
900 - History & geography
55
551 - Geology, hydrology & meteorology
54
610 - Medicine & health
49
620 - Engineering & allied operations
49
140 - Specific philosophical schools
47
581 - Specific topics in natural history
46
340 - Law
36
300 - Social sciences
27
630 - Agriculture & related technologies
26
380 - Commerce, communications & transportation
24
370 - Education
23
580 - Plants (Botany)
20
100 - Philosophy & psychology
12
576 - Genetics & evolution
11
170 - Ethics
10
720 - Architecture
10
304 - Factors affecting social behavior
9
658 - General management
8
800 - Literature & rhetoric
8
301 - Sociology & anthropology
7
200 - Religion
6
400 - Language
6
540 - Chemistry & allied sciences
6
414 - Phonology & phonetics
5
500 - Natural sciences & mathematics
4
530 - Physics
3
657 - Accounting
3
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
2
410 - Linguistics
2
520 - Astronomy & allied sciences
2
550 - Earth sciences
2
590 - Animals (Zoology)
2
612 - Human physiology
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
350 - Public administration & military science
1
770 - Photography, photographs & computer art
1
780 - Music
1
791 - Public performances
1