"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
F. D. HENNING AND COMPANY
F. D. HENNING AND COMPANY. A banking firm from Pittsburgh, Pennsylvania, F. D. Henning and Company opened a banking house in Dubuque in 1856.
1. Oldt, Franklin T., History of Dubuque County, Iowa. Chicago: Goodspeed Historical Association, 1880. http://www.ebooksread.com/authors-eng/franklin-t-oldt/history-of-dubuque-county-iowa-being-a-general-survey-of-dubuque-county-histor-tdl/page-13-history-of-dubuque-county-iowa-being-a-general-survey-of-dubuque-county-histor-tdl.shtml