March 20, 2017閲覧。 ^ Botting, Douglas (1978). The Pirates. Time–Life Books. p. 58. ISBN 978-0809426508 ^ Botting, Douglas (1978). The Pirates. Time–Life
Kinemathek. March 27, 2013閲覧。 ^ [1] ^ The Life of the Party - IMDb(英語) ^ a b Jo Botting. “Lost Then Found”. British Film Institute Screenonline. 22 February 2013閲覧。
Avoid Nazi Salute to Him". The New York Times, 1 August 1936, p. 1. Botting, Douglas. Dr. Eckener's Dream Machine: The Great Zeppelin and the Dawn of Air