Materia
SF Animal culture
S Agriculture (General)
109
QL Zoology
77
Q Science (General)
39
SB Plant culture
22
SD Forestry
17
QH301 Biology
16
L Education (General)
10
GE Environmental Sciences
7
QR Microbiology
7
SH Aquaculture. Fisheries. Angling
6
T Technology (General)
6
G Geography (General)
5
R Medicine (General)
4
GC Oceanography
3
HB Economic Theory
3
LB2300 Higher Education
3
QD Chemistry
3
QH Natural history
3
QK Botany
3
QE Geology
2
QH426 Genetics
2
QM Human anatomy
2
QP Physiology
2
QR355 Virology
2
BF Psychology
1
GF Human ecology. Anthropogeography
1
GN Anthropology
1
H Social Sciences (General)
1
HD Industries. Land use. Labor
1
HD28 Management. Industrial Management
1
HF Commerce
1
LC Special aspects of education
1
LC5201 Education extension. Adult education. Continuing education
1
RA Public aspects of medicine
1
RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine
1
RC Internal medicine
1
RV Botanic, Thomsonian, and eclectic medicine
1
TP Chemical technology
1
TR Photography
1
Z665 Library Science. Information Science
1