Classification
361 - Social problems & social welfare in general
22
610 - Medicine & health
20
570 - Life sciences; biology
7
170 - Ethics
5
330 - Economics
3
900 - History & geography
3
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
340 - Law
2
380 - Commerce, communications & transportation
2
616 - Diseases
2
636 - Animal husbandry
2
571 - Physiology & related subjects
1
576 - Genetics & evolution
1
615 - Pharmacology & therapeutics
1
700 - The arts; fine & decorative arts
1