• Browning, Robert (2009). Roberts, Adam; Karlin, Daniel (eds.). The Major Works. Oxford World's Classics. Oxford University Press. ISBN 978-0-19-955469-0.
• The Cambridge History of English and American Literature in 18 volumes (pub 1907-1921). XIII
• Ian Jack, ed. (1970). "Introduction and Chronology". Browning Poetical Works 1833–1864. Oxford University Press. ISBN 978-0-19-254165-9. OCLC 108532
• Browning, Robert. Ed. Karlin, Daniel (2004) Selected Poems Penguin
• Peterson, William S. Sonnets From The Portuguese. Massachusetts: Barre Publishing, 1977.