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  1. By: Wright, Sewall,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1925
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Wright, Sewall,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1922
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Wright, Sewall,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1922
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Wright, Sewall,
    Publication info: 1912
    Holding Institution: University Library, University of Illinois Urbana Champaign
  5. By: Wright, Sewall,
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  6. By: Wright, Sewall,
    Edition: Rev. July 1923.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1923
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: Castle, William E. (William Ernest), - Wright, Sewall,
    Publication info: Washington, Carnegie Institution of Washington, 1916
    Holding Institution: University of California Libraries
  8. By: Castle, William E. (William Ernest), - Wright, Sewall, - Harvard University. Bussey Institution, Jamaica Plain. Laboratory of Genetics
    Publication info: Washington Carnegie Institution of Washington 1916
    Holding Institution: University of Toronto - Gerstein Science Information Centre