Ursula K. Le Guin (1998). “Steering the craft: exercises and discussions on story writing for the lone navigator or the mutinous crew”, The Eighth Mountain Press
Ursula K. Le Guin (2016). “Worlds of Exile and Illusion: Three Complete Novels of the Hainish Series in One Volume--Rocannon's World; Planet of Exile; City of Illusions”, p.283, Macmillan
Ursula K. Le Guin (2016). “Worlds of Exile and Illusion: Three Complete Novels of the Hainish Series in One Volume--Rocannon's World; Planet of Exile; City of Illusions”, p.386, Macmillan