Materia
HN Social history and conditions. Social problems. Social reform
LB2300 Higher Education
HQ The family. Marriage. Woman
6
HM Sociology
5
H Social Sciences (General)
3
LC Special aspects of education
3
BF Psychology
2
HV Social pathology. Social and public welfare
2
K Law (General)
2
RA0421 Public health. Hygiene. Preventive Medicine
2
T Technology (General)
2
GE Environmental Sciences
1
HC Economic History and Conditions
1
HJ Public Finance
1
HT Communities. Classes. Races
1
JS Local government Municipal government
1
L Education (General)
1
LB2361 Curriculum
1
LE Individual institutions (America except United States)
1
QR355 Virology
1
RJ101 Child Health. Child health services
1
RK Dentistry
1
RZ Other systems of medicine
1
U Military Science (General)
1
ZA Information resources
1