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

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You searched for: Creation Date 1903 Remove constraint Creation Date: 1903 Creators/Contributors Hagen, Johann G., 1847-1930 Remove constraint Creators/Contributors: Hagen, Johann G., 1847-1930 Creators/Contributors Georgetown College Observatory (Washington, D.C.) Remove constraint Creators/Contributors: Georgetown College Observatory (Washington, D.C.) Creators/Contributors Martin, Roderick Remove constraint Creators/Contributors: Martin, Roderick Place Of Origin Berlin Remove constraint Place Of Origin: Berlin Publisher F.L. Dames Remove constraint Publisher: F.L. Dames Repository John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Remove constraint Repository: John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics

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