Tolkien's Library by Oronzo Cilli seeks to compile Tolkien's own library, has an introduction by Tom Shippey and also lists Tolkien's lectures from 1920-1959, a short bibliography, a list of interviews and where they are published, even Tolkien's research students get a short list with what papers were supervised by the professor.
The detail is exceptional, listing the work, any notes about it, where he captured the information from and if known where the book is held. He references 2599 works in the main library section of the book.