Sawyer Hogg, Helen books & textbook
The stars belong to everyone: How to enjoy astronomy
Doubleday /1976T Hardcover / 274 Pages
isbn-10: 0385123027 / isbn-13: 9780385123020
The Guide to Amateur Astronomy
Newton, Jack Teece, Philip Hogg, Helen Sawyer
Cambridge University Press /1995-02-24 Hardcover / 347 Pages
Astrophysik IV: Sternsysteme / Astrophysics IV: Stellar Systems (Astrophysik / Astrophysics)
Edmonson, Frank K. K. Lindblad, Bertil Oort, J. H. Hogg, Helen Sawyer Brown, R. Hanbury Mills, B. Y. Vaucouleurs, G. de Zwicky, F. Neyman, Jerzy Scott, Elizabeth L.
Springer /2012-03-26 Paperback / 574 Pages
isbn-10: 364245934X / isbn-13: 9783642459344
