In April 2006, City Lights Books published Yage Letters Redux, a new edition of the book edited by Oliver Harris (who has previously edited other collections of correspondence by Burroughs).
American Academy of Arts and Letters | Physical Review Letters | Doctor of Letters | Texas Institute of Letters | Amarna letters | Royal Swedish Academy of Letters, History and Antiquities | Paston Letters | Norwegian Academy of Science and Letters | Letters Patent | letters patent | Arts and Letters | Persian Letters | Letters of a Portuguese Nun | letters | Athenian Letters | The Arts and Letters Club of Toronto | Royal Norwegian Society of Sciences and Letters | Post-nominal letters | Pontifical Academy of Fine Arts and Letters of the Virtuosi al Pantheon | National Society of Arts and Letters | Mississippi Institute of Arts and Letters | Letters to Laugh-In | Letters to Cleo | Letters Home: Correspondence 1950–1963 | Letters From My Windmill | Letters from Iwo Jima | Letters | Biology Letters | The Life and Letters of Charles Darwin | The Letters Organize |