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By: Humm, Harold J. (Harold Judson), - United States. War Production Board. Office of Production Research and Development.Edition:Publication info: Durham, N.C, Duke University Press, 1946Volume: c.4Series:Holding Institution: Multiple institutionsSubjects:BHL Collections:
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By: Humm, Harold J. (Harold Judson),Type: ArticleIn: Journal of the New York Botanical GardenVolume: 45Series:Issue: 537Date: 1944-09Page Range: 193--199Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-Subjects: