Encyclopedia Dubuque
"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.
JOHN A. KNOERNSCHILD
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JOHN A. KNOERNSCHILD. The 1878-79 through 1886-1887 Dubuque City Directory stated that this business was located at 2386 Couler Avenue.
The 1909 and 1911-12 Dubuque City Directory gave the company address as 1086 Main.
The 1913 Dubuque and Dubuque County Directory stated that this business was located at 1086 Main and 2412 Couler.
The 1915 Dubuque City Directory listed 2388 Couler.