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

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You searched for: Creators/Contributors Parkhurst, Henry M. (Henry Martyn), 1825-1908 Remove constraint Creators/Contributors: Parkhurst, Henry M. (Henry Martyn), 1825-1908 Repository John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Remove constraint Repository: John G. Wolbach Library, Harvard-Smithsonian Center for Astrophysics Series Open Collections Program at Harvard University Remove constraint Series: Open Collections Program at Harvard University Subjects Variable stars--Observations Remove constraint Subjects: Variable stars--Observations
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