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.
C. B. TREWIN INC.
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C. B. TREWIN INC. The 1915 Dubuque City Directory listed 115 8th as the address.
The 1923 and 1929 Dubuque City Directory listed 255 W. 8th.
The 1934 Dubuque City Directory through the 1951 Dubuque Consurvey Directory listed 623 Roshek Building.