Classification
615 - Pharmacology & therapeutics
610 - Medicine & health
183
500 - Natural sciences & mathematics
72
700 - The arts; fine & decorative arts
70
580 - Plants (Botany)
44
333 - Economics of land & energy
35
000 - Computer science, information & general works
32
140 - Specific philosophical schools
31
540 - Chemistry & allied sciences
31
600 - Technology
30
363 - Other social problems & services
28
380 - Commerce, communications & transportation
20
330 - Economics
19
612 - Human physiology
13
620 - Engineering & allied operations
11
900 - History & geography
10
576 - Genetics & evolution
8
304 - Factors affecting social behavior
7
658 - General management
6
320 - Political science
5
370 - Education
5
581 - Specific topics in natural history
5
100 - Philosophy & psychology
4
414 - Phonology & phonetics
4
170 - Ethics
3
301 - Sociology & anthropology
3
400 - Language
3
745 - Decorative arts
3
300 - Social sciences
2
331 - Labor economics
2
340 - Law
2
361 - Social problems & social welfare in general
2
519 - Probabilities & applied mathematics
2
571 - Physiology & related subjects
2
616 - Diseases
2
800 - Literature & rhetoric
2
332 - Financial economics
1
374 - Adult education
1
398 - Folklore
1
510 - Mathematics
1
541 - Physical chemistry
1
551 - Geology, hydrology & meteorology
1
630 - Agriculture & related technologies
1
780 - Music
1
791 - Public performances
1