Author: Clarke, J.M., & Ruedemann, R., 1903.:
Title: Guelph fauna in the State of New York.
Description: [N.Y. State Mus. Mem., 5.] Albany: University of the State of New York. 4to. Pp. [iv],195, many figs. on 21 lithogr. pls., index. Orig. cloth. - First comprehensive monograph on Silurian mollusca of the area.

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