Classification
610 - Medicine & health
000 - Computer science, information & general works
46
700 - The arts; fine & decorative arts
34
363 - Other social problems & services
29
333 - Economics of land & energy
27
580 - Plants (Botany)
25
140 - Specific philosophical schools
23
380 - Commerce, communications & transportation
19
330 - Economics
15
370 - Education
11
620 - Engineering & allied operations
10
630 - Agriculture & related technologies
10
900 - History & geography
10
551 - Geology, hydrology & meteorology
9
600 - Technology
9
576 - Genetics & evolution
7
581 - Specific topics in natural history
7
300 - Social sciences
5
340 - Law
5
414 - Phonology & phonetics
5
658 - General management
5
540 - Chemistry & allied sciences
4
615 - Pharmacology & therapeutics
4
800 - Literature & rhetoric
4
320 - Political science
3
400 - Language
3
500 - Natural sciences & mathematics
3
612 - Human physiology
3
200 - Religion
2
301 - Sociology & anthropology
2
100 - Philosophy & psychology
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
398 - Folklore
1
520 - Astronomy & allied sciences
1
590 - Animals (Zoology)
1
720 - Architecture
1