concept

The biological control of insects : with a chapter on weed control / by Harvey L. Sweetman.

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All of Wellcome Collection, including our library, café and shop, will be closed on Monday 4 November for staff training. We will open again as usual on Tuesday 5 November.

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Sweetman, Harvey L. (Harvey Leroy), 1896-

Catalogue

The biological control of insects : with a chapter on weed control / by Harvey L. Sweetman.