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Willis Nels Bruce

4 books found

Cover of A new technique in control of the house fly

A new technique in control of the house fly

Willis Nels Bruce · First published 1953

Cover of Automatic sprayer for control of biting flies on cattle

Automatic sprayer for control of biting flies on cattle

Willis Nels Bruce · First published 1952

Cover of Control of horse flies on cattle

Control of horse flies on cattle

Willis Nels Bruce · First published 1951

Placeholder cover for Characteristics of residual insecticides toxic to the house fly

Characteristics of residual insecticides toxic to the house fly

Willis Nels Bruce · First published 1949