2004-10-30/2019-05-06 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). — Daughter of Henry H. Holtkamp, sister of Ferdinand Holtkamp and Walter Holtkamp Sr.*; with Holtkamp firm [Votteler-Holtkamp-Sparling] of Cleveland, Ohio, 28 years, treasurer; died June 20, 1931 in Cleveland, Ohio, age 45. *Fox's Guide incorrectly has "Henry Holtkamp, Jr." —Ed. Source: The Diapason August 1931, 2.
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