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| Levenson, M. H. (2011). The Cambridge Companion to Modernism. Cambridge: Cambridge University Press. |
| Sarup, M. (2006). An Introductory Guide to Post-structuralism and Postmodernism. London: Harvester Wheatsheaf. |
| Dillon, Janette (2006). The Cambridge Introduction to Early English Theatre. Cambridge University Press. |
| Pilling, John (1994). The Cambridge Companion to Beckett. Cambridge University Press. |
| Thomson, Peter (1994). The Cambridge Companion to Brecht. Cambridge University Press. |
| Richards, Shaun (2004). The Cambridge Companion to Twentieth-Century Irish Drama. Cambridge University Press. |
| Luckhurst, Mary (2006). A Companion to Modern British and Irish Drama 1880-2005. Blackwell Publishing. |