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  1. American fossil cycads / by G.R. Wieland.
    By: Wieland, G. R.
    Publication info: Washington :Carnegie Institution,1906-1916.
    Contributed by: Robarts - University of Toronto (archive.org)
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  2. American fossil cycads, by G.R. Wieland.
    By: Wieland, G. R.
    Publication info: [Washington, D.C.]Carnegie Institution of Washington,1906-16.
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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  3. The osteology of Protostega / by G.R. Wieland.
    By: Wieland, G. R. - Carnegie Museum.
    Publication info: Pittsburgh :Published by the authority of lthe Board of Trustees of the Carnegie Institute,[1906]
    Contributed by: Harold B. Lee Library (archive.org)
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  4. Status of the Mesozoic floras of the United States : second paper / by Lester R. Ward ... [et. al.]
    By: Ward, Lester Frank, - Bibbins, Arthur Barneveld, - Fontaine, William Morris, - Wieland, G. R.
    Publication info: Washington,Govt. Print. Off.,1905.
    Contributed by: University of Connecticut Libraries (archive.org)
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