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  1. By: Humphrey, C. J. (Clarence John), - United States. Forest Products Laboratory, Madison. - United States. Forest Service. Forest Products Laboratory, Madison.
    Publication info: Baltimore, Md, American Wood-Preservers' Association, [1920]
    Holding Institution: Cornell University Library
  2. By: Humphrey, C. J. (Clarence John), - Forest Products Laboratory (U.S.)
    Publication info: Baltimore, Md, American wood-preservers' association, [c1920]
    Holding Institution: University of California Libraries
  3. By: Humphrey, C. J. (Clarence John),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1917
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Humphrey, C. J. (Clarence John), - Fleming, Ruth Mary Bates,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1915
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Patouillard, N. (Narcisse), - Humphrey, C. J. (Clarence John),
    Type: List
    In: List of genera in Patouillard herbarium
    Date: 1932
    Publication Info: [1930-1932?]