Fyodor Dostoyevsky, Fyodor Translated by Constance Garnett, Constance Black Garnett (2006). “The Double: Easyread Large Edition”, p.346, ReadHowYouWant.com
Fyodor Dostoevsky (2013). “The Greatest Works of Dostoevsky: Crime and Punishment + The Brother's Karamazov + The Idiot + Notes from Underground + The Gambler + Demons (The Possessed / The Devils)”, p.2157, e-artnow