ロトルア博物館
Rev. J.S. Neil (July–December 1913), “Brighter Britain”, Theosophical Path Magazine, pp. 19–25 & 90–98, ISBN 9780766180444, https://books.google.com/books?id=KqjBOB32z2oC&dq=%22brighter+britain%22+landor&pg=PA19 2012年3月16日閲覧。
Arthur S Wohlmann (1914), The Mineral Waters and Spas of New Zealand, Wellington: John MacKay, Government Printer, https://archive.org/stream/mineralwatersspa00wohliala#page/n3/mode/2up