Daniel Defoe (2016). “The Complete Adventures of Robinson Crusoe – 3 Books in One Volume (Illustrated): The Life and Adventures of Robinson Crusoe, The Farther Adventures of Robinson Crusoe & Serious Reflections of Robinson Crusoe”, p.568, e-artnow
"When I Think Of My People Broken Down". "Journal of South Asian Literature", Vol. 12, No. 1, published by Asian Studies Center, Michigan State University, (p. 11), 1976.
William Shakespeare (1835). “The Dramatic Works of William Shakspeare: With a Life of the Poet, and Notes, Original and Selected; Together with a Copious Glossary”, p.639