2. The Cambridge Introduction to Literature and the Environment Clark, Timothy (Timothy John Andrew), 1958- New York : Cambridge University Press, 2011. GEC204
3. Green Shakespeare: from ecopolitics to ecocriticism Egan, Gabriel. London ; Routledge, 2006. GEC204
4. The future of environmental criticism: environmental crisis and literary imagination Buell, Lawrence. Malden, MA : Blackwell Pub., 2005. GEC204