Whilst the greatest effort has been made to ensure the quality of this text, due to the historica...
''Variable Stars of Short Period'' is a book written by Edward Charles Pickering and published in...
This book is a facsimile reprint and may contain imperfections such as marks, notations, marginal...
Observations of the Transit of Venus, December 5 and 6, 1882: Made at the Harvard College Observa...
This book is a facsimile reprint and may contain imperfections such as marks, notations, marginal...
An investigation in stellar photography - conducted at the Harvard college observatory with the a...
This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may conta...
Reprint of the original, first published in 1875.
Reprint of the original, first published in 1875.
Reprint of the original, first published in 1881.