Classification
363 - Other social problems & services
610 - Medicine & health
000 - Computer science, information & general works
70
700 - The arts; fine & decorative arts
37
580 - Plants (Botany)
33
333 - Economics of land & energy
29
140 - Specific philosophical schools
20
600 - Technology
20
551 - Geology, hydrology & meteorology
19
620 - Engineering & allied operations
19
380 - Commerce, communications & transportation
18
630 - Agriculture & related technologies
18
330 - Economics
15
581 - Specific topics in natural history
15
576 - Genetics & evolution
10
540 - Chemistry & allied sciences
9
658 - General management
8
612 - Human physiology
7
414 - Phonology & phonetics
6
800 - Literature & rhetoric
6
300 - Social sciences
5
304 - Factors affecting social behavior
5
370 - Education
5
500 - Natural sciences & mathematics
5
320 - Political science
4
900 - History & geography
4
100 - Philosophy & psychology
3
361 - Social problems & social welfare in general
3
720 - Architecture
2
170 - Ethics
1
200 - Religion
1
301 - Sociology & anthropology
1
340 - Law
1
364 - Criminology
1
400 - Language
1
520 - Astronomy & allied sciences
1
530 - Physics
1
590 - Animals (Zoology)
1