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Ebooks
Leaf Hoppers Injurious to Cereal and Forage Crops
Gratuit
The Hessian Fly in the United States: Volumes 16-22
Gratuit
Insects affecting domestic animals
Gratuit
Leafhoppers of Maine: Volumes 235-245
Gratuit
Needed: A System of Aquatic Farming
Gratuit
Studies of Life Histories of Froghoppers of Maine
Gratuit
Economic Zoology: An Introductory Text-book in Zoology, with Special Reference to Its Applications in Agriculture, Commerce, and Medicine
Gratuit
Entomological Work for 1895
Gratuit
The Meadow Plant Bug, Miris Dolobratus
Gratuit
Reports on Injurious Insects
Gratuit
Effects of Spraying on Plants and Fruit and Notes on Insects
Gratuit
Entomological Notes for the Year 1882
Gratuit
A Review of the North American Species of Athysanun (Jassidae)
Gratuit
Report on Injurious Insects
Gratuit
Agricultural Entomology for Students, Farmers, Fruit-growers and Gardeners
Gratuit
Studies of the Life Histories of Grass Feeding Jassidae
Gratuit
Some Insects Destructive to Grass [etc.]
Gratuit
Articles on Parasitic Insects and Poisonous Insects
Gratuit
The Pediculi and Mallophaga Affecting Man and the Lower Animals: Issues 6-7; Issues 9-10
Gratuit
Papers on Iowa Insects, Consistin of Fruit and Forest Tree Insects, and Some Iowa Farm Insects
Gratuit