There is a very good edition of Melvyn Bragg's In Our Time on T S Eliot, 'The Waste Land and Modernity'. Guests are Steve Connor, Fran Brearton and Lawrence Rainey. Rainey's books, Revisiting the Waste Land and The Annotated Waste Land are listed, and would be a good follow-up. My own rather hurried notes on the discussion are available below: