John Jacob Astor: Business ManCreated By: Kenneth W. Porter Publisher: New York, NY: Russell & Russell, 1931
John Jacob Astor: Der erfolgreichste deutsche AuswandererCreated By: Alexander Emmerich Publisher: Stuttgart: Konrad-Theiss-Verlag, 2009
Menger Hotel: San Antonio’s Civic and Social Center, 1859-1877Created By: Dalton, Inez Strickland Source/Publisher: West Texas Historical Association Year Book 32 (October, 1956): 85-102
