books.google.com - The Northwest Passage was repeatedly sought for over four centuries. From the first attempt in the late 15th century to Roald Amundsen's famous voyage of 1903-1906 where the feat was first accomplished to expeditions in the late 1940s by the Mounties to discover an even more northern route, author Alan...http://books.google.com/books/about/Historical_Dictionary_of_the_Discovery_a.html?id=q20QAJEDcScC&utm_source=gb-gplus-shareHistorical Dictionary of the Discovery and Exploration of the Northwest Passage
