"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
D. KEFFELER. The 1867 Dubuque City Directory gave no address for this business although it was listed as a grocer and clothier.
The 1868-69 Dubuque City Directory listed Iowa between 12th and 13th.