Boris Christoff 2024
Opera Singer Boris Christoff: First 30 Years of Immortality БТА
Don Carlo at the Royal Opera review: a legendary performance from Lise Davidsen Yahoo Movies Canada
UNESCO pays tribute to Boris Christoff – one of the greatest opera singers of all times UNESCO
Boris Christoff, Bass, Dies at 79; Esteemed for His Boris Godunov (Published 1993) The New York Times