Raamatud Charles Emerson Beecher
Brachiospongidae: A memoir on a group of silurian sponges
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The development of some Silurian Brachiopoda:: With eight plates
John Mason Clarke, Charles Emerson Beecher
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The Development of Some Silurian Brachiopoda
Charles Emerson Beecher, John Mason Clarke
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Studies in Evolution; Mainly Reprints of Occasional Papers Selected From the Publications of the Laboratory of Invertebrate Paleontology, Peabody Museum, Yale University
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Studies in Evolution; Mainly Reprints of Occasional Papers Selected From the Publications of the Laboratory of Invertebrate Paleontology, Peabody Museum, Yale University
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Ceratiocaridæ from the upper Devonian measures in Warren County
Charles Emerson Beecher, James Hall
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