Materia
BF Psychology
21
HN Social history and conditions. Social problems. Social reform
HQ The family. Marriage. Woman
7
HM Sociology
6
HV Social pathology. Social and public welfare
6
H Social Sciences (General)
4
RA0421 Public health. Hygiene. Preventive Medicine
4
L Education (General)
3
LB1603 Secondary Education. High schools
3
LB2300 Higher Education
2
RA Public aspects of medicine
2
AC Collections. Series. Collected works
1
B Philosophy (General)
1
BJ Ethics
1
GT Manners and customs
1
LB1501 Primary Education
1
LC Special aspects of education
1
NX Arts in general
1
R Medicine (General)
1
RJ Pediatrics
1
RT Nursing
1
RZ Other systems of medicine
1