The Ellery Queen Collection of Mystery and Detective Fiction was assembled by Frederick Dannay and Manfred B. Lee, who wrote jointly under the pseudonym Ellery Queen, and consists of works by the two cousins, as well as first editions of classic works of detective literature by Edgar Allan Poe, Arthur Conan Doyle, Mark Twain, and many others. This collection was the basis for the bibliography Queen's Quorum. The library of Erle Stanley Gardner includes many works by other mystery and detective writers as well as paperback, hardback, and foreign language editions by the creator of Perry Mason; the Center also owns Gardner's papers. The Robert Lee Wolff Collection incorporates works by Sheridan Le Fanu, Wilkie Collins, and many lesser-known Victorian authors of mystery and fiction. The William Koester Edgar Allan Poe Collection is one of the largest in the world and includes the author's annotated copies of The Raven and Other Poems and Tales, as well as newspapers with Poe contributions and a large group of correspondence.