books.google.fr - Covers the entire history of Arctic and Antarctic exploration, from the voyage of Pytheas ca. 325 B.C. to the present, in one convenient, comprehensive reference resource. * 511 A-Z biographical, geographical, and subject entries on polar exploration such as dogs, man-hauling, Elephant Island, South...https://books.google.fr/books/about/Exploring_Polar_Frontiers.html?hl=fr&id=PYdBH4dOOM4C&utm_source=gb-gplus-shareExploring Polar Frontiers