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

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You searched for: Creators/Contributors Hagen, Johann G., 1847-1930 Remove constraint Creators/Contributors: Hagen, Johann G., 1847-1930 Creators/Contributors Krueger, Adalbert, 1832-1896 Remove constraint Creators/Contributors: Krueger, Adalbert, 1832-1896 Place Of Origin Berlin Remove constraint Place Of Origin: Berlin 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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