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Industrial fumigation against insects / E.A. Back, R.T. Cotton. (Circular)

Industrial fumigation against insects / E.A. Back, R.T. Cotton. (Circular)
Paper図書
U.S. Dept. of Agriculture1942.<632.94-B126i>
National Diet Library
  • Author HeadingBack, E. A. (Ernest Adna) , 1886- Cotton, R. T. United ...

The granary weevil

The granary weevil
Paper図書
by E.A. Back, and R.T. CottonGovernment Printing Office1926
Other Libraries in Japan
  • Author HeadingBack, E. A. (Ernest Adna) Cotton, R. T

Weevils in beans and peas

Weevils in beans and peas
Paper図書
[by E.A. Back]U.S. Dept. of Agriculture[1922]
Other Libraries in Japan
  • Author HeadingBack, E. A. (Ernest Adna)

Stored-grain pests

Stored-grain pests
Paper図書
E.A. Back and R.T. CottonU.S. Dept. of Agriculture[1922]
Other Libraries in Japan
  • Author HeadingBack, E. A. (Ernest Adna) Cotton, R. T.

How weevils get into beans

How weevils get into beans
Paper図書
by E.A. BackG.P.O.1919
Other Libraries in Japan
  • Author HeadingBack, E. A. (Ernest Adna) United States. Dept. of Agric...

Effect of cold-storage temperatures upon the pupæ of the Mediterranean fruit fly ---

Effect of cold-storage temperatures upon the pupæ of the Mediterranean fruit fly ---
Digital図書
by E.A. Back and C.E. Pemberton[U.S. Dept. of Agriculture]1915
Other Libraries in Japan
  • Author HeadingBack, E. A. (Ernest Adna) Pemberton, Cyril E.

The woolly white-fly : a new enemy of the Florida orange

The woolly white-fly : a new enemy of the Florida orange
Paper図書
by E.A. BackGovernment Printing Office1910
Other Libraries in Japan
  • Author HeadingBack, E. A. (Ernest Adna)

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