Protogaea [electronic resource] - Leibniz, Gottfried Wilhelm Freiherr von 1646-1716; Cohen, Claudine; Wakefield, Andre (Chicago University of Chicago Press, 2008)
Text in English and Latin
Keywords: Geology -- Early works to 1800; Historical geology -- Early works to 1800; Paleontology -- Early works to 1800; Earth -- History -- Early works to 1800