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

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You searched for: Creation Date 1900 Remove constraint Creation Date: 1900 Digital Format Books and documents Remove constraint Digital Format: Books and documents Place Of Origin Massachusetts Remove constraint Place Of Origin: Massachusetts Repository Widener Library, Harvard University Remove constraint Repository: Widener Library, Harvard University Subjects Variable stars--Observations Remove constraint Subjects: Variable stars--Observations

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