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

Established by Johann G. Pfeffer in St. Louis, Missouri, 1882; firm acquired by Alfred G. Kilgen Sr., 1909, and continued until 1919.

Staff: Albert Brouk; John R. Heimuller; John Horlacher; John J. Mourfee; Anthony Pfeffer; Eugene A. Pfeffer; George J. Pfeffer; Robert Pfeffer; Gustav F. Treu.

Sources:

• Orpha Ochse, The History of the Organ in the United States (Bloomington: Indiana University Press, 1975), 299.
• Organ Handbook (Organ Historical Society, 1986), 19.
• Piano and Organ Purchaser's Guide, Purchaser's Guide to the Music Industries, (published by Music Trades, New York)

For further information, see also: Geo. Kilgen & Son, Inc.