Classification
363 - Other social problems & services
000 - Computer science, information & general works
47
700 - The arts; fine & decorative arts
40
333 - Economics of land & energy
38
600 - Technology
36
330 - Economics
32
620 - Engineering & allied operations
28
900 - History & geography
28
140 - Specific philosophical schools
24
551 - Geology, hydrology & meteorology
22
380 - Commerce, communications & transportation
19
580 - Plants (Botany)
18
610 - Medicine & health
18
320 - Political science
14
576 - Genetics & evolution
11
581 - Specific topics in natural history
8
304 - Factors affecting social behavior
7
630 - Agriculture & related technologies
7
370 - Education
6
340 - Law
5
500 - Natural sciences & mathematics
4
658 - General management
4
720 - Architecture
4
800 - Literature & rhetoric
4
100 - Philosophy & psychology
3
200 - Religion
3
170 - Ethics
2
414 - Phonology & phonetics
2
530 - Physics
2
550 - Earth sciences
2
300 - Social sciences
1
361 - Social problems & social welfare in general
1
400 - Language
1
540 - Chemistry & allied sciences
1
612 - Human physiology
1
920 - Biography, genealogy & insignia
1