Olson, Julius EBourne, Edward GaylordJohn Boyd Thacher Collection (Library of Congress)2017-01-302017-01-302006http://hdl.handle.net/123456789/140293https://digitallibrary.punjab.gov.pk/handle/1/362582 p.enAmerica -- Discovery and exploration -- Norse -- Early works to 1800America -- Discovery and exploration -- Spanish -- Early works to 1800.Book