Classification
610 - Medicine & health
387
330 - Economics
31
900 - History & geography
26
600 - Technology
25
700 - The arts; fine & decorative arts
18
170 - Ethics
14
100 - Philosophy & psychology
10
616 - Diseases
10
340 - Law
6
140 - Specific philosophical schools
5
362 - Social welfare problems & services
5
361 - Social problems & social welfare in general
4
370 - Education
4
612 - Human physiology
2
800 - Literature & rhetoric
2
320 - Political science
1
380 - Commerce, communications & transportation
1
580 - Plants (Botany)
1
614 - Incidence & prevention of disease
1
615 - Pharmacology & therapeutics
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
620 - Engineering & allied operations
1
940 - History of Europe
1