Hughes, J. S. (1939). Robert Southwell, S.J.: Religious poet of the English renaissance.
Lua i Stíl Chicago (17ú heag.)Hughes, Julia S. Robert Southwell, S.J.: Religious Poet of the English Renaissance. 1939.
Lua MLA (8ú heag.)Hughes, Julia S. Robert Southwell, S.J.: Religious Poet of the English Renaissance. 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.