The Duchess of Malfi. Edited by John Russell Brown. - Webster, John 1580n-1625n; Brown, John Russell; Greer, David Clive 1937-. (Cambridge, Harvard university Press, [c1964], 1964)
"'O, let us howl, some heavy notes'"... Commentary and transcription [for voice and keyboard Instrument] by David Greer": p. 210-213.