Classification
363 - Other social problems & services
700 - The arts; fine & decorative arts
70
610 - Medicine & health
63
600 - Technology
57
333 - Economics of land & energy
54
900 - History & geography
49
000 - Computer science, information & general works
46
330 - Economics
42
380 - Commerce, communications & transportation
37
140 - Specific philosophical schools
36
620 - Engineering & allied operations
35
320 - Political science
26
580 - Plants (Botany)
21
370 - Education
16
551 - Geology, hydrology & meteorology
16
581 - Specific topics in natural history
13
304 - Factors affecting social behavior
10
576 - Genetics & evolution
10
414 - Phonology & phonetics
9
540 - Chemistry & allied sciences
9
100 - Philosophy & psychology
8
612 - Human physiology
8
630 - Agriculture & related technologies
8
301 - Sociology & anthropology
7
340 - Law
7
800 - Literature & rhetoric
7
200 - Religion
5
361 - Social problems & social welfare in general
5
500 - Natural sciences & mathematics
5
170 - Ethics
4
300 - Social sciences
4
400 - Language
4
530 - Physics
4
615 - Pharmacology & therapeutics
4
658 - General management
3
720 - Architecture
3
780 - Music
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
364 - Criminology
1
550 - Earth sciences
1
590 - Animals (Zoology)
1
657 - Accounting
1
791 - Public performances
1