found: Working in the theatre. Production [VR] c1999:on-screen caption (Pierre Cossette, The Civil War; panelist) spoken (producer of Broadway play, The Civil War)
found: OCLC, July 31, 2002:(hdg.: Cossette, Pierre ; usage: Pierre Cossette)
found: Internet Broadway database, July 31, 2002:(Pierre Cossette, producer of Broadway plays, including The Civil War)
found: Another day in showbiz, c2002:t.p. (Pierre Cossette) p. 15, etc. (b. Dec. 15, 1923, Valleyfield, Quebec; splits his time between Los Angeles and Montreal)
found: New York times WWW site, Sept. 14, 2009(in obituary published Sept. 12: Pierre Cossette; Pierre Maurice Joseph Cossette; b. Dec. 15, 1923, Valleyfield, Quebec; d. Friday [Sept. 11, 2009], Montreal, aged 85; talent agent and producer who in 1971 convinced reluctant television executives to broadcast the Grammy Awards as a glittery live event)