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

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You searched for: Creators/Contributors Argelander, Fr. (Friedrich), 1799-1875 Remove constraint Creators/Contributors: Argelander, Fr. (Friedrich), 1799-1875 Creators/Contributors Tähtitieteellinen observatorio (Helsinki, Finland) Remove constraint Creators/Contributors: Tähtitieteellinen observatorio (Helsinki, Finland) Digital Format Books and documents Remove constraint Digital Format: Books and documents Genre Observations Remove constraint Genre: Observations
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