"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
CASPER LEHNER AND COMPANY
CASPER LEHNER AND COMPANY. The 1922 Dubuque Telephone Directory listed 621 W. 7th.
The 1923 Dubuque City Directory listed the corner of 7th and Iowa.