Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN
Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
EDWARD KNOLL
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EDWARD KNOLL. The 1911-12 through the 1918 Dubuque City Directory stated that this company was located at 926 Rhomberg.
The 1922 Dubuque Telephone Directory listed 1001 Rhomberg.