Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.” —Marshall Cohen, CNN
Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association
NICHOLAS J. KONS
NICHOLAS J. KONS. The 1909 Dubuque City Directory through the 1922 telephone directory located this business at 1135 Main.
The 1923 and 1929 Dubuque City Directory listed 1056 Central.
The 1941 through 1945 Dubuque City Directory listed 195 Kaufmann.