Publish Year Decade: 1920 - 1929 / Catalog Issue Year Decade: 1920 - 1929 / Sudoc Stem: A 1.33/a - Blacklight Search Results

Start Over Publish Year Decade 1920 - 1929 Catalog Issue Year Decade 1920 - 1929 Sudoc Stem A 1.33/a

1. Grasshoppers. When and how does sex arise? Grasshoppers are very serious pest of many crops over much of the world, nematologists of Bureau of Plant Industry have been trying to find means of control; [by N. A. Cobb, G. Steiner, and J. R. Christie].

Corporate/Agency Authors:: Plant Industry Bureau
Publisher:: Plant Industry Bureau
Date:: [1927.]
SuDoc number:: A 1.33/a:Se 91

2. Creeping eruption. Dogs and cats concerned in causation of creeping eruption.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: [1926.]
SuDoc number:: A 1.33/a:C 861