Haskell House, 1972. Most other resources are less narrow in scope. The following list is intended to help you get acquainted with various literary research materials. Before you write a paper , it helps to learn what issues surround an author or text, something about the author's biography, and the author's critical reception. Biographies, book reviews, and critical essays are all helpful.
Interviews are also often interesting and informative.
Remember that it is often difficult to know in advance what information will be useful to you.