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.
PITTSBURGH PLATE GLASS COMPANY
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PITTSBURGH PLATE GLASS COMPANY. The 1941 Dubuque City Directory listed 653 Main.
The 1955 Dubuque City Directory listed 120 W. 7th.