1. Green Shakespeare: from ecopolitics to ecocriticism Egan, Gabriel. London ; Routledge, 2006. GEC204
2. The Cambridge Companion to Literature and the Environment Cambridge : Cambridge University Press, 2014. ENG406
3. The Cambridge companion to Literature and the Environment Cambridge : Cambridge University Press, 2014. ENG406 Online
4. The future of environmental criticism: environmental crisis and literary imagination Buell, Lawrence. Malden, MA : Blackwell Pub., 2005. GEC204
