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