2004-10-30/2019-04-29 - Note from the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Organ Historical Society, 1991). Edited for the revised OHS Online Database website, 2017. - C. H. Graham was active in Philadelphia, Pennsylvania; he was an installer of M.P. Möller, Inc. organs, 1915. Sources: Diapason: Mar. 1915, 15.
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