Welsford, E. (1961). The fool: His social and literary history. Anchor Books.
Lua i Stíl Chicago (17ú heag.)Welsford, Enid. The Fool: His Social and Literary History. Garden City, N.Y.: Anchor Books, 1961.
Lua MLA (8ú heag.)Welsford, Enid. The Fool: His Social and Literary History. Anchor Books, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.