LordDuppa, the christener of Phoenix Article Date March-May 1976 Article Abstract Reprinted form the Arizona Republican, Oct. 24, 1921 Journal Title Ariz Sheriff
Historian finds discrepancies in Duppa's legend Article Date March-May 1976 Article Abstract From a story by H. Armstrong in the Arizona Republic, Jl 4, 1966. Arizona State University historian Paul Hubbard, doing research on Duppa in England, could find no evidence that he was a nobleman Journal Title Ariz Sheriff
A neglected Phoenix landmark Author P. del Santo Article Date March 25, 1962 Article Abstract About Duppa-Montgomery homestead Journal Title Arizona (Arizona Journal)