TS Bryan, B Tucker-Bryan: The explorer’s guide to Death Valley National Park. 2nd Auflage. University Press of Colorado, Boulder, Colorado 2009, ISBN 978-0-87081-962-9, Tourism and the national park (google.com): „After the mines closed in October 1927, the visitors had a second option of staying in the Death Valley View Hotel in remodeled rooms at Ryan, which was renamed Devar (later, Devair).“
