in the Open, by Doug Robinson, Mountain N’ Air Books, 2004 Climb to Glory: Mountaineer, Adventurer, Explorer, the Bill Hackett Story, by June Hackett & Ric Conrad, Bookpartners, 2000 Author interview with Mrs. Lorrie Engal, 2006 Author interview with Mr. James Wilson, 2006 Norman Clyde: Close Ups in the High Sierra, by Norman Clyde (Winnie Benti, Editor), Spotted Dog Press, 1997 American mountain climbers 1915 births 1989 deaths Sierra Nevada (United States) Sportspeople from Portland, Oregon