2004-10-30/2019-04-29 - 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 Alfred Hillgreen, brother of Axel, Frank, Oscar, and Robert L. Hillgreen Sr. Little information available, presumed to have worked at least for a short time with the family firm of Hillgreen, Lane, & Co. —Ed. Source: The Diapason November 1923, 1.
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