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Displaying 1 to 2 of 2 results for 1914
Entomology and its relation to the farmer and mankind in general
Publication: Purdue Agriculturist
Subject: Troop, James
Date: 10/1914
v. 9, no. 1 p. 41
Publication: Purdue Agriculturist
Subject: Troop, James
Date: 10/1914
v. 9, no. 1 p. 41
The use of hydrocyanic gas in greenhouses
Publication: Purdue Agriculturist
Subject: Troop, James
Date: 12/1914
v. 9, no. 3 p. 23
Publication: Purdue Agriculturist
Subject: Troop, James
Date: 12/1914
v. 9, no. 3 p. 23