ジョスリン美術館
↑ Beal, Graham W. J. (1994). Joslyn Art Museum: A Building History. Omaha, Nebraska: Joslyn Art Museum. ISBN 0936364-25-4
↑ Bain, David Haward (2004). The Old Iron Road: An Epic of Rails, Roads, and the Urge to Go West. New York City, New York: Penguin Books. pp. 65–6. ISBN 0143035266