DUBUQUE NATIONAL BANK
After it had acquired the Citizens State Bank, Dubuque National was acquired in 1923 by SECOND NATIONAL BANK.
"Butchers, Bankers, and Cabinet Makers," Booklet accompanying the exhibit of artifacts by Robert Reding at the OLD JAIL 2007-2010
Oldt, Franklin T. History of Dubuque County, Iowa. http://www.ebooksread.com/authors-eng/franklin-t-oldt/history-of-dubuque-county-iowa-being-a-general-survey-of-dubuque-county-histor-tdl/page-21-history-of-dubuque-county-iowa-being-a-general-survey-of-dubuque-county-histor-tdl.shtml