Exploring the language of drama : from text to context
edited by Jonathan Culpeper, Mick Short, and Peter Verdonk
Routledge, 1998
 Buku Teks SO
M. Yoesoef
Sastra dan kekuasaan; pembicaraan atas drama-drama karya W.S. Rendra
Wedatama Widya Sastra, 2007
 Buku Teks SO
Quinn, Arthur Hobson
A history of the American drama, from the beginning to the Civil War
Irvington Publishers, 1943
 Buku Teks SO
Puti Suci Lestari
Masalah lingkungan hidup dalam drama Himmel, Erde, Luft, und Meer dari Grips theater
1998
 UI - Skripsi Membership
Evans, B. Ifor
A short history of English drama
Penguin Books, 1948
 Buku Teks SO