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Henry Brown Evans

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Stand Alone

The Mean Right Ascensions and Proper Motions of 254 Stars A Thesis Presented to the Faculty of Philosophy of the University of Pennsylvania (Classic Reprint)
The Mean Right Ascensions and Proper Motions of 254 Stars A Thesis Presented to the Faculty of Philosophy of the University of Pennsylvania (Classic Reprint)
Analytic Geometry - Primary Source Edition
The Mean Right Ascensions and Proper Motions of 254 Stars