"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
DUBUQUE CHEMICAL COMPANY
DUBUQUE CHEMICAL COMPANY. Started around 1908, the company closed in 1913.
The 1911-12 Dubuque City Directory listed 897 Main.
Burggraff, Mike. 2010 Update to the Antique Bottles of Iowa. Fairfield, Iowa: Frontline Printing & Design