Johann Weikhard von Valvasor
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Johann Weikhard Freiherr von Valvasor or Johann Weichard Freiherr von Valvasor or simply Valvasor was a natural historian and polymath from Carniola, present-day Slovenia, and a fellow of the Royal So
Valvasor in 1689
Valvasor's The Glory of the Duchy of Carniola, published 1689
Lake Cerknica, from a critique of the first volume of Die Ehre deß Hertzogthums Crain published in Acta Eruditorum, 1689