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  1. By: Smith, C. Earle (Claude Earle),
    Publication info: [Chicago], Chicago Natural History Museum, 1965
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Agriculture  Mexico  Tehuacán River Valley
  2. By: Smith, C. Earle (Claude Earle),
    Publication info: Chicago, Ill, Chicago Natural History Museum, 1965
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Botany  Mexico  Tehuacán River Valley