Morton, R. A. (1929). An appreciation of Robert Southwell. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Morton, Rose Anita. An Appreciation of Robert Southwell. Philadelphia: University of Pennsylvania Press, 1929.
Lua MLA (8ú heag.)Morton, Rose Anita. An Appreciation of Robert Southwell. University of Pennsylvania Press, 1929.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.