Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
KOHAUS, R.
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KOHAUS, R. (Prussia, Germany, Apr. 24, 1837--Unknown). Music publisher and dealer in musical instruments. In 1858 Kohaus settled in Dubuque and became the city's principal salesman of music and White Sewing Machines.