The first link below links to a list of books in Falvey's catalog that may be useful to your research for this class, the list is not exhaustive, but can serve as a starting point for your research.
Bibliography of T. S. Eliot Scholarship
TSEliot.com
The letters are searchable up to Vol. 8 on this site
The following links are individual books related to specific authors or texts that you may be reading in class.
The Cambridge companion to E.M. Forster
The Cambridge companion to James Joyce
The Cambridge companion to T.S. Eliot
Cambridge Companion To Joseph Conrad
The Cambridge companion to Ezra Pound
The Cambridge companion to Virginia Woolf
The Cambridge companion to To the lighthouse
The Cambridge companion to D.H. Lawrence
The Cambridge companion to the modernist novel (Search Jean Toomer also Gertrude Stein)
The Cambridge companion to the Harlem Renaissance (Search Jean Toomer)