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  1. Miscellaneous papers on the zoology of Michigan. Prepared under the direction of Alexander G. Ruthven, chief naturalist; pub. as a part of the Annual report of the Board of geological survey for 1915.
    By: Ruthven, Alexander Grant, - Andrews, A. W. - Colbert, Roy J. - Evans, Arthur Thompson, - Hankinson, Thomas L. - Thompson, Crystal.
    Publication info: Lansing, Mich. :W.H. Crawford Co., state printers,1916.
    Contributed by: University of British Columbia Library (archive.org)
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  2. Miscellaneous papers on the zoology of Michigan. Prepared under the direction of Alexander G. Ruthven, chief naturalist; pub. as a part of the Annual report of the Board of geological survey for 1915.
    By: Ruthven, Alexander Grant, - Andrews, A. W. - Colbert, Roy J. - Evans, Arthur Thompson, - Hankinson, Thomas Leroy, - Thompson, Crystal.
    Publication info: Lansing, Mich.,W. H. Crawford Co., state printers,1916.
    Contributed by: NCSU Libraries (archive.org)
    View Book