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

Succeeded Coburn & Taylor; established by Walter S. Coburn in Chicago, Illinois, c. 1909; associated with the Harmo Electric Company, 1915-1916; succeeded by Temple & Howard, Nov. 1934.

Staff: Louis G. Eichman; George Mack; Gottlieb Mack; Ole G. Malmquest; Frank E. Morton; Douglas C. Stuart.

Sources:

• The Diapason December 1909. [page number not given in source]
• Piano and Organ Purchaser's Guide, Purchaser's Guide to the Music Industries, New York: Music Trades, ).
• Stopt Diapason #27 (Hoffman Estates, Ill.: Chicago-Midwest Chapter of the Organ Historical Society).