On the control of cereal and forage crop pests, copyright ... Reinlein, Fred, 1866- creator text book Portland, Or 1920 1920
print
ENG "Circular no. 157. February 4, 1920." Caption title. Diseases and pests Grain Insect pests Insects, Injurious and beneficial SB933 .R38 https://www.biodiversitylibrary.org/bibliography/42105 30450956 20008587 10.5962/bhl.title.42105 DLC