Cosmos : a sketch of a physical description of the universe /
Humboldt, Alexander von,1769-1859.
Baltimore ; London : Johns Hopkins University Press,
1997.
Originally published: London : Henry G. Bohn, 1850?
Includes bibliographical references and index
v. 1. / with an introduction by Nicolaas A. Rupke -- v. 2. / with an introduction by Micahel Dettelbach.
Cosmology.