Encyclopedia Dubuque
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FERRING, John P.
FERRING, John P. (Rhine, Prussia, 1841-- ). Ferring moved to Dubuque from Germany in 1856. He worked for RUMPF AND BECKER in different jobs before joining the renamed firm of RUMPF, HOSFORD & FERRING in 1881. (1)
He continued in the successor firm of SCHROEDER-KLEINE GROCER COMPANY and in 1894 served as the assistant secretary and treasurer. (2)
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Source:
1. "Biographical Sketches," Dubuque Sunday Herald, December 20, 1885, p. 14
2. Advertisement, Dubuque Sunday Herald, May 13, 1894, p. 3