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Problem animal control handbook
The spring grain-aphis or so-called "green bug." (Toxoptera graminum Rond.)
Louisiana's forests and the future
Taxes on forest property in nine selected parishes of Louisiana, 1937-1940, in nine counties of Alabama, 1937-41, and in seven counties of Mississipp…
Cottony maple scale (Pulvinaria innumerabilis Rathvon.)
Apple club project : crop report
[Letter requesting aid in study of bird migration]
Breeding drought-resistant forage plants for the Great Plains area
The larger corn stalk-borer
The greenhouse thrips. (Heliothrips