Classification
580 - Plants (Botany)
000 - Computer science, information & general works
56
610 - Medicine & health
41
333 - Economics of land & energy
35
600 - Technology
35
620 - Engineering & allied operations
32
700 - The arts; fine & decorative arts
30
363 - Other social problems & services
25
380 - Commerce, communications & transportation
25
630 - Agriculture & related technologies
24
551 - Geology, hydrology & meteorology
20
581 - Specific topics in natural history
19
612 - Human physiology
17
414 - Phonology & phonetics
12
576 - Genetics & evolution
12
330 - Economics
11
140 - Specific philosophical schools
10
720 - Architecture
10
900 - History & geography
9
540 - Chemistry & allied sciences
7
304 - Factors affecting social behavior
6
500 - Natural sciences & mathematics
6
615 - Pharmacology & therapeutics
4
300 - Social sciences
3
100 - Philosophy & psychology
2
340 - Law
1
361 - Social problems & social welfare in general
1
370 - Education
1
530 - Physics
1
590 - Animals (Zoology)
1
650 - Management & auxiliary services
1
800 - Literature & rhetoric
1