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LANDERS, Rich. Whittaker legend lives on 50 years after Kennedy climb [online]. The Spokeman-Review, 2015-03-26, [cit. 2017-11-26]. Dostupné online.
50 years ago, RFK humbled to climb Mt. Kennedy with Whittaker party [online]. The Spokeman-Review, 2015-03-26, [cit. 2017-11-26]. Dostupné online.