Books by Pickering, Edward C. (Edward Charles) (sorted by popularity)
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Displaying results 1–3
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The Future of Astronomy
Edward C. Pickering
90 downloads
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A Plan for Securing Observations of the Variable Stars
Edward C. Pickering
87 downloads
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History of the Harvard College Observatory During the Period 1840-1890
Daniel W. Baker
69 downloads
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Displaying results 1–3
