National Gallery (Great Britain) & Holmes, C. J. (1926). Illustrated guide (4th and rev. ed.). Printed for the Trustees.
Lua i Stíl Chicago (17ú heag.)National Gallery (Great Britain) agus C. J. Holmes. Illustrated Guide. 4th and rev. ed. London: Printed for the Trustees, 1926.
Lua MLA (8ú heag.)National Gallery (Great Britain) agus C. J. Holmes. Illustrated Guide. 4th and rev. ed. Printed for the Trustees, 1926.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.