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- Das Abändern der Vögel durch Einfluss des Klima's
By: Gloger, Constantin Wilhelm Lambert,
Publication info: Breslau, August Schulz & Co, 1833
Pages: Page 140 - The regions of vegetation, being an analysis of the distribution of vegetable forms over the surface of the globe in connection with climate and physical agents
By:
Publication info: London, G.J. Palmer, 1843
Pages: Page 11 Page 11 front slip - Researches into the physical history of mankind
By: Prichard, James Cowles.
Publication info: London, Sherwood, Gilbert & Piper, 1836
Volume: v.1
Pages: Page 61 - Supplement to the fifth edition of A manual of elementary geology
By: Lyell, Charles, Sir,
Publication info: London, John Murray, 1857
Pages: Page 3