Classification
140 - Specific philosophical schools
363 - Other social problems & services
700 - The arts; fine & decorative arts
167
333 - Economics of land & energy
139
610 - Medicine & health
134
330 - Economics
128
600 - Technology
109
000 - Computer science, information & general works
108
380 - Commerce, communications & transportation
87
320 - Political science
85
900 - History & geography
84
620 - Engineering & allied operations
79
551 - Geology, hydrology & meteorology
78
581 - Specific topics in natural history
68
580 - Plants (Botany)
51
300 - Social sciences
43
370 - Education
39
340 - Law
33
100 - Philosophy & psychology
30
576 - Genetics & evolution
30
720 - Architecture
27
304 - Factors affecting social behavior
25
800 - Literature & rhetoric
25
630 - Agriculture & related technologies
23
170 - Ethics
22
301 - Sociology & anthropology
21
400 - Language
20
500 - Natural sciences & mathematics
20
200 - Religion
18
540 - Chemistry & allied sciences
17
658 - General management
14
612 - Human physiology
12
414 - Phonology & phonetics
9
361 - Social problems & social welfare in general
6
410 - Linguistics
6
297 - Islam, Babism & Bahai Faith
5
530 - Physics
5
780 - Music
5
615 - Pharmacology & therapeutics
4
657 - Accounting
3
120 - Epistemology, causation & humankind
2
350 - Public administration & military science
2
590 - Animals (Zoology)
2
770 - Photography, photographs & computer art
2
160 - Logic
1
336 - Public finance
1
360 - Social problems & services; associations
1
550 - Earth sciences
1
791 - Public performances
1
920 - Biography, genealogy & insignia
1