Materia
GE Environmental Sciences
Q Science (General)
QD Chemistry
5
QC Physics
3
QH301 Biology
3
S Agriculture (General)
2
GC Oceanography
1
GF Human ecology. Anthropogeography
1
H Social Sciences (General)
1
HD Industries. Land use. Labor
1
QK Botany
1
QL Zoology
1
SD Forestry
1
TD Environmental technology. Sanitary engineering
1