''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...

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...

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...

Reprint of the original, first published in 1882. The Antigonos publishing house specialises in t...

Reprint of the original, first published in 1882. The Antigonos publishing house specialises in t...

Reprint of the original, first published in 1881. The Antigonos publishing house specialises in t...

This work has been selected by scholars as being culturally important, and is part of the knowled...

The Theory of Color in Its Relation to Art and Art-Industry

This work has been selected by scholars as being culturally important, and is part of the knowled...