Quelleninformationen
Ancestry.com. Pilots of the republic : the romance of the pioneer promoter in the Middle West [Datenbank online]. Provo, UT: Ancestry.com Operations Inc, 2005.Ursprüngliche Daten: Hulbert, Archer Butler,. Pilots of the republic : the romance of the pioneer promoter in the Middle West. Chicago: A.C. McClurg & Co., 1906.
