found: nuc88-14817: His Henri Chopin, 1972(usage on IEN rept. Henri Chopin)
found: His Chronique 1974, 1975:cover (H. Chopin)
found: LC data base, 2-2-87(hdg.: Chopin, Henri; usage: Henri Chopin)
found: Guardian unlimited WWW site, Feb. 5, 2008(Henri Chopin; born June 18, 1922, Paris; died Jan. 3, 2008; avant-garde pioneer of sound poetry)
found: VIAF June 7, 2016(VIAF ID=22184258: Chopin, Henri; alternate name forms include: Chopin, Henrik; born 1922-06-18 Paris; died 2008-01-03 Derham [i.e. Dereham]; author, translator, editor)
found: Wikipedia, June 7, 2016(Henri Chopin, French musician and avant-garde poet; born 18 June 1922, Paris; died 3 Jan. 2008, Dereham, England; concrete and sound poetry; lived in Ingatestone, Essex, 1968-1986; wife Jean Chopin died in 1985, after which he returned to France; moved back to Dereham, Norfolk in 2001)
