Sutherland, G., & Cooke, G. (1993). Graham Sutherland: Early etchings / [Text: Gordon Cooke]. Gordon Cooke [u.a.].
Lua i Stíl Chicago (17ú heag.)Sutherland, Graham, agus Gordon Cooke. Graham Sutherland: Early Etchings / [Text: Gordon Cooke]. London [u.a.]: Gordon Cooke [u.a.], 1993.
Lua MLA (8ú heag.)Sutherland, Graham, agus Gordon Cooke. Graham Sutherland: Early Etchings / [Text: Gordon Cooke]. Gordon Cooke [u.a.], 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.