Classification
576 - Genetics & evolution
000 - Computer science, information & general works
29
700 - The arts; fine & decorative arts
22
333 - Economics of land & energy
16
580 - Plants (Botany)
13
581 - Specific topics in natural history
13
610 - Medicine & health
13
600 - Technology
12
900 - History & geography
12
363 - Other social problems & services
11
330 - Economics
10
620 - Engineering & allied operations
9
380 - Commerce, communications & transportation
8
500 - Natural sciences & mathematics
8
140 - Specific philosophical schools
7
551 - Geology, hydrology & meteorology
6
658 - General management
4
720 - Architecture
4
304 - Factors affecting social behavior
3
320 - Political science
3
340 - Law
3
361 - Social problems & social welfare in general
3
370 - Education
3
414 - Phonology & phonetics
3
577 - Ecology
3
100 - Philosophy & psychology
2
540 - Chemistry & allied sciences
2
800 - Literature & rhetoric
2
160 - Logic
1
364 - Criminology
1
400 - Language
1
530 - Physics
1
590 - Animals (Zoology)
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
650 - Management & auxiliary services
1
657 - Accounting
1