Otto Lugger

Grasshoppers, Locusts, Crickets, Cockroaches, Etc., Of Minnesota

Illustrated Classification Of Insects And Their Relation To Agriculture

List Of The Fish Of Maryland

Grasshoppers, Locusts, Crickets, Cockroaches, Etc., Of Minnesota

List Of The Fish Of Maryland

Illustrated Classification Of Insects And Their Relation To Agriculture

Second Annual Report Of The Entomologist Of The State Experiment Station Of University Of Minnesota