From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). —

Born November 9, 1871 in Eschbach, Württemberg, Germany; immigrated to the United States, 1888; father of Edwin G. Treu; with
Pfeffer Organ Co. of St. Louis, Missouri, partner, 1905; with
Henry Jáschke firm of St. Louis, Missouri, 1905; succeeded
Jáschke firm as Treu Organ Co. of St. Louis, Missouri, c.
1906-1908; died December 1, 1931 in St. Louis, Missouri.

Sources:

• The Tracker 40:3 (Richmond, Va.: Organ Historical Society, 1996), 19.


• The Diapason, January 1932, 31.


• Donald T. Petering: John George Pfeffer, St. Louis Organbuilder, Master Thesis,
  Concordia College, River Forest, Illinois, 1979.