Edwards, Philip
Thomas Kyd and early Elizabethan tragedy
British Council by Longman, Green, 1970
 Buku Teks SO
Canavan, P. Joseph
Paragraphs and themes
D.C. Health and Company, 1990
 Buku Teks SO
Semiotic themes
edited by Richard T. de George
University of Kansas, 1981
 Buku Teks SO
Philosophy and tragedy
edited by Miguel de Beistegui, Simon Sparks
Routledge, 2000
 Buku Teks SO
A companion to tragedy
edited, Rebecca Bushnell
Blackwell, 2005
 Buku Teks SO