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.
CALVERT BROS.
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CALVERT BROS. The Dubuque City Directory of 1909 and 1911-12 gave the address of this business as 235 6th.