Author: BEEDE, J.W. & H.T. KNIKER
Title: Species of the genus Schwagerina and their stratigraphic significance.
Description: 1924. University of Texas Bulletin No. 2433; 97 pp. 1 fig. (fold. map), 9 plts. h.t. Orig. wrps. libr. stamp on cover, very good. Orig. wrps. with cancelled libr. stamp / ticket, spine paper-taped, contents very good.

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