Classification
610 - Medicine & health
99
700 - The arts; fine & decorative arts
44
000 - Computer science, information & general works
36
330 - Economics
32
600 - Technology
28
620 - Engineering & allied operations
23
363 - Other social problems & services
21
140 - Specific philosophical schools
18
333 - Economics of land & energy
17
320 - Political science
15
370 - Education
13
900 - History & geography
13
340 - Law
10
380 - Commerce, communications & transportation
10
540 - Chemistry & allied sciences
10
580 - Plants (Botany)
10
576 - Genetics & evolution
8
615 - Pharmacology & therapeutics
7
551 - Geology, hydrology & meteorology
6
570 - Life sciences; biology
6
100 - Philosophy & psychology
5
500 - Natural sciences & mathematics
5
628 - Sanitary & municipal engineering
5
160 - Logic
4
304 - Factors affecting social behavior
4
658 - General management
4
414 - Phonology & phonetics
3
530 - Physics
3
612 - Human physiology
3
800 - Literature & rhetoric
3
390 - Customs, etiquette & folklore
2
400 - Language
2
581 - Specific topics in natural history
2
630 - Agriculture & related technologies
2
640 - Home & family management
2
664 - Food technology
2
690 - Buildings
2
170 - Ethics
1
300 - Social sciences
1
336 - Public finance
1
361 - Social problems & social welfare in general
1
362 - Social welfare problems & services
1
616 - Diseases
1
663 - Beverage technology
1
720 - Architecture
1
740 - Drawing & decorative arts
1
791 - Public performances
1