You can search for literary criticism about a particular work in Literature Resource Center.
When you're doing research on your topic, first try entering keywords related to it.
Once you enter your keywords, you'll get a results list. Make sure you check off FULL TEXT before you start looking at articles. You also will want to look at Subject: Thesaurus Term to see if what is associated with your search. It's a good way to narrow down your results list as well.