Materia
S Agriculture (General)
SB Plant culture
149
SF Animal culture
109
Q Science (General)
41
SD Forestry
27
GE Environmental Sciences
20
QK Botany
16
QL Zoology
16
L Education (General)
12
QH301 Biology
10
T Technology (General)
6
QR Microbiology
5
G Geography (General)
4
LB2300 Higher Education
4
HB Economic Theory
3
SH Aquaculture. Fisheries. Angling
3
AC Collections. Series. Collected works
2
HD28 Management. Industrial Management
2
QD Chemistry
2
BF Psychology
1
GN Anthropology
1
GV Recreation Leisure
1
HD Industries. Land use. Labor
1
HF Commerce
1
LC Special aspects of education
1
LC5201 Education extension. Adult education. Continuing education
1
QE Geology
1
QH426 Genetics
1
QR355 Virology
1
RV Botanic, Thomsonian, and eclectic medicine
1
TP Chemical technology
1