2004-10-30/2019-11-10 - 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 Joseph A. Schaefer, Sr.; brother of Joseph and Bernard J. Schaefer; with Schaefer Organ Co. of Slinger, Wisconsin, after World War II [c. 1946]. Sources: The Cypher Newsletter 9/10 (Greater St. Louis Chapter of the Organ Historical Society), 7. Correspondence of David H. Fox. Organ Handbook 1984 (Richmond, Va.: Organ Historical Society), 29.
2015-10-16/2020-04-09 - See main entry: Schaefer Organ Co.
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