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Start Over Subjects Expeditions ✖Remove constraint Subjects: Expeditions Titles Arctic discovery: read before the California Academy of Sciences, June 16th, 1879 ✖Remove constraint Titles: Arctic discovery: read before the California Academy of Sciences, June 16th, 1879 Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • Arctic discovery: read before the California Academy of Sciences, June 16th, 18791