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By: Cromwell, Richard O. (Richard Oliver),Edition:Publication info: Lincoln? 1918Volume:Series:Holding Institution: Library of CongressSubjects:BHL Collections:
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By: Cromwell, Richard O. (Richard Oliver),Edition:Publication info: Lincoln, Neb, University of Nebraska, 1919Volume: no.14 (1919)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Wolf, Frederick A. (Frederick Adolph), - Cromwell, Richard O. (Richard Oliver),Type: ArticleIn: Technical bulletinVolume: 16Series: Technical bulletin (North Carolina Agricultural Experiment Station)Issue:Date: 1919Page Range: 1--22Publication Info: Raleigh, The Station,Subjects: