Browsing by Author "Clark, John, 1909-1967."
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Item Two pelobatid frogs from the Tertiary of North America and their relationships to fossil and Recent forms. American Museum novitates ; no. 1762(New York, N.Y. : American Museum of Natural History, 1956) Zweifel, Richard George, 1926-; Clark, John, 1909-1967.; Alexander, Annie Montague, 1867-1950.; Kellogg, Louise Phelps, d. 1942.