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.
WILLIAM R. KOLCK COMPANY
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WILLIAM R. KOLCK COMPANY. The 1915 Dubuque City Directory and the 1918 Dubuque City Directory listed 302 BANK AND INSURANCE BUILDING as the address of this jewelry wholesaler.
The 1922 Dubuque Telephone Directory listed 575 Main.
The 1939 and 1941 Dubuque City Directory listed 821 Central.
See: William R. KOLCK