Materia
H Social Sciences (General)
HN Social history and conditions. Social problems. Social reform
144
HM Sociology
105
L Education (General)
89
HF Commerce
61
T Technology (General)
56
HB Economic Theory
51
K Law (General)
51
LB2300 Higher Education
50
HG Finance
45
JA Political science (General)
45
HD28 Management. Industrial Management
39
HD Industries. Land use. Labor
36
HJ Public Finance
34
HT Communities. Classes. Races
30
HQ The family. Marriage. Woman
29
HC Economic History and Conditions
28
HV Social pathology. Social and public welfare
28
RA0421 Public health. Hygiene. Preventive Medicine
28
GE Environmental Sciences
24
BF Psychology
19
NX Arts in general
19
D History (General)
17
G Geography (General)
15
GV Recreation Leisure
14
Q Science (General)
14
HF5601 Accounting
12
RA Public aspects of medicine
12
B Philosophy (General)
11
HE Transportation and Communications
11
GR Folklore
10
NA Architecture
10
LC Special aspects of education
9
GF Human ecology. Anthropogeography
8
GN Anthropology
8
LB1501 Primary Education
8
N Visual arts (General) For photography, see TR
8
R Medicine (General)
8
LB2361 Curriculum
7
M Music
7
P Philology. Linguistics
7
PN Literature (General)
7
BJ Ethics
6
HA Statistics
6
LC5201 Education extension. Adult education. Continuing education
6
JF Political institutions (General)
5
S Agriculture (General)
5
AC Collections. Series. Collected works
4
ZA Information resources
4
BL Religion
3
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