Books by E. J. Newcomer

Cover of Orchard insects of the Pacific Northwest and their control

Orchard insects of the Pacific Northwest and their control

by E. J. Newcomer

1933

Cover of The dock false-worm

The dock false-worm

by E. J. Newcomer

1916

Cover of Life history of the codling moth in the Yakima Valley of Washington

Life history of the codling moth in the Yakima Valley of Washington

by E. J. Newcomer

1924

Cover of Value of the calyx spray in the codling moth control schedule

Value of the calyx spray in the codling moth control schedule

by E. J. Newcomer

1932

Cover of Control of the codling moth in the Pacific Northwest

Control of the codling moth in the Pacific Northwest

by E. J. Newcomer

1931

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