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