Ursus Maritimus Polar Bear Illustration From Die Säugthiere in Abbildungen nach der Natur (Quadrupeds Illustrations From Nature) published 1846 by Johann Christian Daniel Schreber (1739-1810)
Polar Bear Ursus Maritimus Illustration By John Woodhouse Audubon (son of John James Audubon) circa 1851
Bullock’s Nature Museum at Piccadilly, London from Ackermann’s Repository 1810