Materia
QA Mathematics
L Education (General)
28
LB2300 Higher Education
21
LB1603 Secondary Education. High schools
9
LB2361 Curriculum
7
LC Special aspects of education
6
Q Science (General)
5
LB Theory and practice of education
4
LB1501 Primary Education
4
T Technology (General)
3
HA Statistics
2
LC5201 Education extension. Adult education. Continuing education
2
QC Physics
2
QD Chemistry
2
AC Collections. Series. Collected works
1
BC Logic
1
HB Economic Theory
1
HF Commerce
1
HG Finance
1
LT Textbooks
1
QA75 Electronic computers. Computer science
1
QA76 Computer software
1