Classification
000 - Computer science, information & general works
610 - Medicine & health
700 - The arts; fine & decorative arts
215
333 - Economics of land & energy
137
580 - Plants (Botany)
135
140 - Specific philosophical schools
123
600 - Technology
119
363 - Other social problems & services
103
620 - Engineering & allied operations
74
330 - Economics
72
380 - Commerce, communications & transportation
72
630 - Agriculture & related technologies
60
540 - Chemistry & allied sciences
55
576 - Genetics & evolution
48
500 - Natural sciences & mathematics
37
370 - Education
36
551 - Geology, hydrology & meteorology
35
581 - Specific topics in natural history
33
900 - History & geography
32
320 - Political science
25
658 - General management
25
300 - Social sciences
22
612 - Human physiology
22
361 - Social problems & social welfare in general
15
414 - Phonology & phonetics
15
720 - Architecture
15
304 - Factors affecting social behavior
14
800 - Literature & rhetoric
14
400 - Language
12
530 - Physics
11
615 - Pharmacology & therapeutics
11
100 - Philosophy & psychology
10
170 - Ethics
10
340 - Law
10
301 - Sociology & anthropology
7
410 - Linguistics
5
590 - Animals (Zoology)
5
200 - Religion
4
364 - Criminology
2
520 - Astronomy & allied sciences
2
616 - Diseases
2
001 - Knowledge
1
360 - Social problems & services; associations
1
362 - Social welfare problems & services
1
398 - Folklore
1
550 - Earth sciences
1
657 - Accounting
1
780 - Music
1