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  1. By: Batjer, L. P. (Lawrence Paul), - Hoffman, M. B.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1951
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Hoffman, M. B.
    Type: Article
    In: Arnoldia
    Volume: 32
    Issue: 3
    Date: 1972
    Page Range: 126--132
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University