Expeditions and Discoveries Sponsored Exploration and Scientific Discovery in the Modern Age

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You searched for: Creators/Contributors Babcock, Walter C. Remove constraint Creators/Contributors: Babcock, Walter C. Genre government publication Remove constraint Genre: government publication Places United States--District of Columbia--Washington Remove constraint Places: United States--District of Columbia--Washington Repository Houghton Library, Harvard University Remove constraint Repository: Houghton Library, Harvard University
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