Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
51
363 - Other social problems & services
40
600 - Technology
34
610 - Medicine & health
34
330 - Economics
31
333 - Economics of land & energy
28
620 - Engineering & allied operations
21
370 - Education
18
551 - Geology, hydrology & meteorology
18
900 - History & geography
18
320 - Political science
16
580 - Plants (Botany)
16
576 - Genetics & evolution
15
581 - Specific topics in natural history
11
400 - Language
10
414 - Phonology & phonetics
9
540 - Chemistry & allied sciences
9
500 - Natural sciences & mathematics
8
658 - General management
8
720 - Architecture
8
100 - Philosophy & psychology
6
300 - Social sciences
6
612 - Human physiology
6
340 - Law
5
800 - Literature & rhetoric
5
170 - Ethics
4
200 - Religion
3
301 - Sociology & anthropology
3
304 - Factors affecting social behavior
3
361 - Social problems & social welfare in general
3
630 - Agriculture & related technologies
3
657 - Accounting
3
410 - Linguistics
2
530 - Physics
2
590 - Animals (Zoology)
2
615 - Pharmacology & therapeutics
2
160 - Logic
1
297 - Islam, Babism & Bahai Faith
1
360 - Social problems & services; associations
1
550 - Earth sciences
1
780 - Music
1
791 - Public performances
1
920 - Biography, genealogy & insignia
1