2004 - Spirit of the North the Quotable Sigurd F Olson (Hardcover) ISBN-13: 9780816639342 ISBN-10: 0816639345 Genres: History, Science & Math ? 1999 - A Wilderness Within the Life of Sigurd F Olson (Paperback) → Hardcover ISBN-13: 9780816628438 ISBN-10: 0816628432 Genres: Biographies & Memoirs, Outdoors & Nature ? 1997 - A Wilderness Within the Life of Sigurd F Olson (Hardcover) → Paperback ISBN-13: 9780816628421 ISBN-10: 0816628424 Genres: Biographies & Memoirs, Business & Money, Science & Math, Outdoors & Nature ? |