Baker, Howard (August 1935). "Ghosts and Guides: Kyd's 'Spanish Tragedy' and the Medieval Tragedy". Modern Philology. 33 (1): 27–35. doi:10.1086/388170. S2CID161554721.
McMillin, Scott (1974). "The Book of Seneca in The Spanish Tragedy". SEL: Studies in English Literature 1500–1900. 14 (2): 201–208. doi:10.2307/450049. JSTOR450049.
Smith, Molly (1992). "The Theater and the Scaffold: Death as Spectacle in The Spanish Tragedy". SEL: Studies in English Literature 1500–1900. 32 (2): 217–232. doi:10.2307/450733. JSTOR450733.
Crosbie, Christopher (January 2008). "Oeconomia and the Vegetative Soul: Rethinking Revenge in The Spanish Tragedy". English Literary Renaissance. 38 (1): 3–33. doi:10.1111/j.1475-6757.2008.00115.x. S2CID143755501.
McMillin, Scott (1974). "The Book of Seneca in The Spanish Tragedy". SEL: Studies in English Literature 1500–1900. 14 (2): 201–208. doi:10.2307/450049. JSTOR450049.
Smith, Molly (1992). "The Theater and the Scaffold: Death as Spectacle in The Spanish Tragedy". SEL: Studies in English Literature 1500–1900. 32 (2): 217–232. doi:10.2307/450733. JSTOR450733.
Baker, Howard (August 1935). "Ghosts and Guides: Kyd's 'Spanish Tragedy' and the Medieval Tragedy". Modern Philology. 33 (1): 27–35. doi:10.1086/388170. S2CID161554721.
Crosbie, Christopher (January 2008). "Oeconomia and the Vegetative Soul: Rethinking Revenge in The Spanish Tragedy". English Literary Renaissance. 38 (1): 3–33. doi:10.1111/j.1475-6757.2008.00115.x. S2CID143755501.