Classification
304 - Factors affecting social behavior
27
306 - Culture & institutions
11
577 - Ecology
6
610 - Medicine & health
5
301 - Sociology & anthropology
4
305 - Social groups
4
571 - Physiology & related subjects
3
302 - Social interaction
2
303 - Social processes
2
307 - Communities
2
330 - Economics
2
370 - Education
2
613 - Personal health & safety
2
658 - General management
2
150 - Psychology
1
155 - Differential & developmental psychology
1
158 - Applied psychology
1
320 - Political science
1
331 - Labor economics
1
338 - Production
1
344 - Labor, social, education & cultural law
1
362 - Social welfare problems & services
1
381 - Commerce
1
570 - Life sciences; biology
1
576 - Genetics & evolution
1
579 - Microorganisms, fungi & algae
1
580 - Plants (Botany)
1
614 - Incidence & prevention of disease
1