Exploring the Amazon, by Helen and Frank Schreider. With photos. by the authors. Foreword by Gilbert M. Grosvenor. Produced by the Special Publications Division, National Geographic Society.
Author:
Schreider, Helen.
Imprint:Washington, D.C. [National Geographic Society, 1970]
Description207 p. col. illus., col. maps, col. ports. 27 cm.
Bibliography Note:Bibliography: p. 205.
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