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 Samuel R. Warren and sons Charles S. Warren and Samuel P. Warren in Montral, Quebec, Canada, 1879; relocated to Toronto, Ontario, Canada, c. 1880; associated with Mason & Risch [piano manufacturers] of Toronto, Ontario, Canada and Vocalion Co. of Worcester, Massachusetts, 1889; reed and pipe organs; firm sold to Dennis W. Karn as Karn-Warren Organ Co., 1896. Staff: Louis Mitchell.

Sources:

• The American Musician; April 20, 1889, 28;
• Robert F. Gellerman, Gellerman-s International Reed Organ Atlas (Vestal, NY: The Vestal Press, 1985) , 141.
• David Junchen, Encyclopedia of the American Theatre Organ, vol. 1 (Pasadena: Showcase Publications, 1985),: 181.
• Kallmann et al., Encyclopedia of Music in Canada (Toronto: University of Toronto Press, 1981), 985;
• Musical and Sewing Machine Gazette , February 28, 1880, 51.
• Barbara Owen, The Organ in New England (Raleigh: Sunbury Press, 1979), 415.

For further information, see: Karn-Warren Organ Co.

Also referred to as S. R. Warren & Co.