BOOKQUE

Anatomy and Development of the Female Reproductive System in Rhagoletis Pomonella Walsh
Ralph Willard Dean
· 1939
Plant Response to Concentrated Superphosphate and Potassium Chloride Fertilizers: (Brassica Oleracea Var. Capitata). Cabbage. III
Benjamin Edward Clark , Carl Severin Pederson , Nathan Hiram Peck , Nelson Shaulis , Ralph Willard Dean , G. E. MacDonald , H. L. Page , John Einset , John Richard Stamer , Margaret N. Albury , Albert Boyd Pack
· 1968
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The Alimentary Canal of the Apple Maggot (Rhagoletis Pomonella, Walsh)
Ralph Willard Dean
· 1932
No image available
Plant Response to Concentrated Superphosphate and Potassium Chloride Fertilizers: Alfalfa (Medicago sativa). II
Benjamin Edward Clark , Carl Severin Pederson , Nathan Hiram Peck , Nelson Shaulis , Ralph Willard Dean , G. E. MacDonald , H. L. Page , John Einset , Margaret N. Albury , Albert Boyd Pack
· 1968