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.
JOHN J. GROMMERSCH
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JOHN J. GROMMERSCH. The 1916-1917 White's Dubuque County Directory through the 1922 Dubuque Telephone Directory listed 455 7th.
The 1934 Dubuque City Directory through 1942 Dubuque Classified Business Directory listed 55 E. 7th.