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Encyclopedia Dubuque

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"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.




ZWACK PRINTING COMPANY

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101 Main. Photo in 2011.

ZWACK PRINTING COMPANY. The 1948 Dubuque Classified Business Directory listed 1245 Iowa.

The 1955 through 1966 Dubuque City Directory listed 101 Main.