Classification
610 - Medicine & health
621
330 - Economics
360
700 - The arts; fine & decorative arts
52
140 - Specific philosophical schools
40
600 - Technology
37
363 - Other social problems & services
19
580 - Plants (Botany)
18
800 - Literature & rhetoric
13
576 - Genetics & evolution
7
540 - Chemistry & allied sciences
5
500 - Natural sciences & mathematics
4
616 - Diseases
4
615 - Pharmacology & therapeutics
3
170 - Ethics
2
340 - Law
2
361 - Social problems & social welfare in general
2
362 - Social welfare problems & services
2
380 - Commerce, communications & transportation
2
612 - Human physiology
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
338 - Production
1
370 - Education
1
572 - Biochemistry
1
613 - Personal health & safety
1
628 - Sanitary & municipal engineering
1