"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
OLIVIA B. PFEFFER
OLIVIA B. PFEFFER. The 1915 Dubuque City Directory gave the address as 64 N. Iowa.
The 1941 Dubuque City Directory listed 1990 Shelby.