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  1. The ascidians collected by the United States fisheries bureau steamer Albatross on the coast of California during the summer of 1904, by Wm. E. Ritter.
    By: Ritter, William Emerson,
    Publication info: Berkeley,The University press,1907.
    Contributed by: MBLWHOI Library
    BHL Collections: MBLWHOI Library, Woods Hole
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  2. The higher usefulness of science, and other essays.
    By: Ritter, William Emerson,
    Publication info: Boston,R. G. Badger[c1918]
    Contributed by: University of California Libraries (archive.org)
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  3. The pelagic Tunicata / by William E. Ritter and Edith S. Byxbee.
    By: Ritter, William Emerson, - Byxbee, Edith Sumner,
    Publication info: Cambridge :Printed for the Museum,1905.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  4. The unity of the organism; or, The organismal conception of life, by William Emerson Ritter.
    By: Ritter, William Emerson,
    Publication info: Boston,R. G. Badger[c1919]
    Contributed by: NCSU Libraries (archive.org)
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  5. The unity of the organism; or, The organismal conception of life, by William Emerson Ritter ...
    By: Ritter, William Emerson,
    Publication info: Boston,R.G. Badger[c1919]
    Contributed by: Gerstein - University of Toronto (archive.org)
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  6. The unity of the organism; or, The organismal conception of life, by William Emerson Ritter ...
    By: Ritter, William Emerson,
    Publication info: Boston,R.G. Badger[c1919]
    Contributed by: MBLWHOI Library
    BHL Collections: MBLWHOI Library, Woods Hole
    View Book