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Physical geography (14)
The Earth as Modified by Human Action [electronic resource] / George P. Marsh
Cosmos : A Sketch of the Physical Description of the Universe, Vol. 1 [electronic resource] / Alexander von Humboldt
Outlines of the Earth's History : A Popular Study in Physiography [electronic resource] / Nathaniel Southgate Shaler
The Beauties of Nature, and the Wonders of the World We Live In [electronic resource] / John, Lubbock
The Geography of the Region about Devil's Lake and the Dalles of the Wisconsin : With Some Notes on Its Surface Geology [electronic resource] / Wallace Walter Atwood
The Adventures of a Grain of Dust [electronic resource] / Hallam Hawksworth
Man and Nature; Or, Physical Geography as Modified by Human Action [electronic resource] / George P. Marsh
Earth Features and Their Meaning : An Introduction to Geology for the Student and the General Reader [electronic resource] / William Herbert Hobbs
The Face of the Earth as Seen from the Air : A Study in the Application of Airplane Photography to Geography [electronic resource] / Willis T. Lee
Physical Geography [electronic resource] / Mary Somerville
Landscape in History, and Other Essays [electronic resource] / Archibald Geikie
Views of nature ; or, Contemplations on the sublime phenomena of creation : with scientific illustrations [electronic resource] / Alexander von Humboldt
Aspects of nature, in different lands and different climates (Vol. 1 of 2) : with scientific elucidations [electronic resource] / Alexander von Humboldt
Aspects of nature, in different lands and different climates (Vol. 2 of 2) : with scientific elucidations [electronic resource] / Alexander von Humboldt