(1951). Animals to Color. Merrill Company Publishers.
Lua i Stíl Chicago (17ú heag.)Animals to Color. Chicago/Illinois: Merrill Company Publishers, 1951.
Lua MLA (8ú heag.)Animals to Color. Merrill Company Publishers, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.