https://commons.wikimedia.org/wiki/Category:Gemma_Frisius
Category:Gemma Frisius - Wikimedia Commons
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https://www.christies.com/en/lot/lot-5780584
APIANUS, Petrus (1495-1552) and Reiner Gemma FRISIUS (1508-1555). Charta Cosmographica, cum...
APIANUS, Petrus (1495-1552) and Reiner Gemma FRISIUS (1508-1555). Charta Cosmographica, cum ventorum propria natura et operatione. Paris, 1551.
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