Classification
363 - Other social problems & services
610 - Medicine & health
62
600 - Technology
58
500 - Natural sciences & mathematics
57
700 - The arts; fine & decorative arts
50
620 - Engineering & allied operations
44
333 - Economics of land & energy
43
000 - Computer science, information & general works
38
330 - Economics
38
576 - Genetics & evolution
30
551 - Geology, hydrology & meteorology
26
580 - Plants (Botany)
26
581 - Specific topics in natural history
24
380 - Commerce, communications & transportation
22
900 - History & geography
20
140 - Specific philosophical schools
18
320 - Political science
18
100 - Philosophy & psychology
12
370 - Education
11
340 - Law
9
612 - Human physiology
8
630 - Agriculture & related technologies
8
658 - General management
7
304 - Factors affecting social behavior
4
540 - Chemistry & allied sciences
4
800 - Literature & rhetoric
4
300 - Social sciences
3
530 - Physics
3
720 - Architecture
3
170 - Ethics
2
200 - Religion
2
400 - Language
2
410 - Linguistics
2
414 - Phonology & phonetics
2
615 - Pharmacology & therapeutics
2
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
520 - Astronomy & allied sciences
1