Materia
L Education (General)
LB2300 Higher Education
245
LC Special aspects of education
167
LB2361 Curriculum
84
LB1603 Secondary Education. High schools
62
T Technology (General)
58
LB Theory and practice of education
52
LB1501 Primary Education
41
BF Psychology
34
H Social Sciences (General)
29
QA Mathematics
27
LC5201 Education extension. Adult education. Continuing education
24
NX Arts in general
22
P Philology. Linguistics
22
PE English
21
M Music
16
R Medicine (General)
16
PN Literature (General)
15
K Law (General)
14
HN Social history and conditions. Social problems. Social reform
12
RA0421 Public health. Hygiene. Preventive Medicine
12
HM Sociology
11
S Agriculture (General)
11
HA Statistics
10
HV Social pathology. Social and public welfare
10
Q Science (General)
10
RA Public aspects of medicine
10
RT Nursing
10
AC Collections. Series. Collected works
9
GE Environmental Sciences
9
HQ The family. Marriage. Woman
8
LT Textbooks
8
ZA Information resources
8
HB Economic Theory
7
LE Individual institutions (America except United States)
7
MT Musical instruction and study
7
HJ Public Finance
6
NA Architecture
6
B Philosophy (General)
5
HF Commerce
5
QH301 Biology
5
RZ Other systems of medicine
5
SF Animal culture
5
D History (General)
4
G Geography (General)
4
HF5601 Accounting
4
JA Political science (General)
4
QD Chemistry
4
QL Zoology
4
SB Plant culture
4
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