Classification
370 - Education
610 - Medicine & health
71
700 - The arts; fine & decorative arts
54
333 - Economics of land & energy
45
363 - Other social problems & services
35
140 - Specific philosophical schools
32
000 - Computer science, information & general works
31
600 - Technology
30
330 - Economics
29
380 - Commerce, communications & transportation
27
900 - History & geography
24
658 - General management
17
620 - Engineering & allied operations
16
320 - Political science
15
400 - Language
13
100 - Philosophy & psychology
12
580 - Plants (Botany)
8
780 - Music
8
304 - Factors affecting social behavior
6
551 - Geology, hydrology & meteorology
6
576 - Genetics & evolution
6
720 - Architecture
6
200 - Religion
5
340 - Law
5
410 - Linguistics
5
630 - Agriculture & related technologies
5
800 - Literature & rhetoric
5
170 - Ethics
4
361 - Social problems & social welfare in general
4
500 - Natural sciences & mathematics
4
581 - Specific topics in natural history
4
300 - Social sciences
3
657 - Accounting
2
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
336 - Public finance
1
360 - Social problems & services; associations
1
520 - Astronomy & allied sciences
1
530 - Physics
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
745 - Decorative arts
1
770 - Photography, photographs & computer art
1