Materia
HB Economic Theory
H Social Sciences (General)
37
HF Commerce
22
HG Finance
21
HJ Public Finance
17
HC Economic History and Conditions
14
HD28 Management. Industrial Management
13
HD Industries. Land use. Labor
12
HN Social history and conditions. Social problems. Social reform
11
T Technology (General)
11
HF5601 Accounting
9
HM Sociology
7
HE Transportation and Communications
5
HV Social pathology. Social and public welfare
5
L Education (General)
5
HA Statistics
4
G Geography (General)
3
K Law (General)
3
LB2300 Higher Education
3
S Agriculture (General)
3
JA Political science (General)
2
LE Individual institutions (America except United States)
2
RA0421 Public health. Hygiene. Preventive Medicine
2
SF Animal culture
2
TA Engineering (General). Civil engineering (General)
2
TD Environmental technology. Sanitary engineering
2
BX Christian Denominations
1
D History (General)
1
GE Environmental Sciences
1
GF Human ecology. Anthropogeography
1
GV Recreation Leisure
1
HQ The family. Marriage. Woman
1
HT Communities. Classes. Races
1
JF Political institutions (General)
1
JL Political institutions (America except United States)
1
JX International law
1
LB Theory and practice of education
1
LC Special aspects of education
1
R Medicine (General)
1
RA Public aspects of medicine
1
SB Plant culture
1
SH Aquaculture. Fisheries. Angling
1
T201 Patents. Trademarks
1
TX Home economics
1