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  1. By: Schuchert, Charles,
    Publication info: United States :American journal of science,1904?
    Holding Institution: Smithsonian Libraries
    Subjects: 1856-1904  Beecher, Charles Emerson,  Biography  Geologists  Paleontologists  United States  
  2. By: Dall, William Healey,
    Publication info: Washington, D.C. :Judd & Detweiler,1907
    Holding Institution: Smithsonian Libraries
    Subjects: 1856-1904  Beecher, Charles Emerson,  Biography  Geologists  Paleontologists  United States