Observations upon injurious insects : season of 1891 / Gillette, C. P.(Clarence Preston),1859-1941. text Fort Collins, Colo. : State Agricultural College, Agricultural Experiment Station, 1892. eng application/pdf COABNRBC100034 COABAGRI100034 Colorado Agriculture Bibliography Insect pests COAB_21653311.pdf "http://www.acns.colostate.edu/?page=copyright"
Observations upon injurious insects : season of 1891 /
Gillette, C. P.(Clarence Preston),1859-1941.
text
Fort Collins, Colo. : State Agricultural College, Agricultural Experiment Station,
1892.
eng
application/pdf
COABNRBC100034
COABAGRI100034
Colorado Agriculture Bibliography
Insect pests
COAB_21653311.pdf
"http://www.acns.colostate.edu/?page=copyright"