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  • Bursa bursa-pastoris and bursa heegeri : biotypes and hybrids

    by George Harrison Shull

    Carnegie Institution of Washington 1909 Carnegie Institution of Washington publication no. 112 . Papers of the station for experimental evolution ; no. 12

    Available at 10 libraries

  • Mutations, variations, and relationships of the oenotheras

    by D.T. MacDougal, A.M. Vail, and G.H. Shull

    Carnegie Institution of Washington 1907 Carnegie Institution of Washington publication no. 81 . Papers of the Station for Experimental Evolution ; no. 9

    Available at 12 libraries

  • Stages in the development of Sium cicutaefolium

    by George Harrison Shull

    Carnegie Institution of Washington 1905 Carnegie Institution of Washington publication no. 30 . Papers of Station for Experimental Evolution at Cold Spring Harbor, New York ; no. 3

    Available at 4 libraries

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