2004-10-30/2019-11-26 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). — Son of Arthur Sperbeck; prizefighter; with Holtkamp of Cleveland, Ohio; with Marr & Colton of Warsaw, New York; with Pilcher firm of Louisville, Kentucky; with Geo. Kilgen & Son of St. Louis, Missouri in 1928; with his father's service firm; retired 1972; died January 1, 1976 in Sullivan, Illinois. Sources: The Diapason April 1976, 11. Elizabeth Towne Schmitt. Social Security Death Index.
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