Materia
HN Social history and conditions. Social problems. Social reform
HV Social pathology. Social and public welfare
H Social Sciences (General)
15
HM Sociology
11
HQ The family. Marriage. Woman
10
BF Psychology
6
K Law (General)
5
NA Architecture
5
R Medicine (General)
4
L Education (General)
3
RA Public aspects of medicine
3
LB1603 Secondary Education. High schools
2
LB2300 Higher Education
2
B Philosophy (General)
1
BJ Ethics
1
E11 America (General)
1
GE Environmental Sciences
1
HB Economic Theory
1
HD28 Management. Industrial Management
1
HF Commerce
1
HG Finance
1
HT Communities. Classes. Races
1
J General legislative and executive papers
1
JA Political science (General)
1
JK Political institutions (United States)
1
JV Colonies and colonization. Emigration and immigration. International migration
1
JZ International relations
1
KZ Law of Nations
1
LB Theory and practice of education
1
QP Physiology
1
QR355 Virology
1
RA0421 Public health. Hygiene. Preventive Medicine
1
RB Pathology
1
RC Internal medicine
1
RJ Pediatrics
1
RT Nursing
1
S Agriculture (General)
1
T Technology (General)
1