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Bookshelf "Science - Astronomy": Newest

3 of 3 books

en
History of the Harvard College Observatory During the Period 1840-1890
Baker, Daniel W., Pickering, Edward C. (Edward Charles)
en
A Plan for Securing Observations of the Variable Stars
Pickering, Edward C. (Edward Charles)
en
The Future of Astronomy
Pickering, Edward C. (Edward Charles)