Template:ME-ref/LETTERS
Carpenter, Humphrey, ed (1981). The Letters of J. R. R. Tolkien. with the assistance of Christopher Tolkien. Boston: Houghton Mifflin. ISBN 0-395-31555-7
Carpenter, Humphrey, ed (1981). The Letters of J. R. R. Tolkien. with the assistance of Christopher Tolkien. Boston: Houghton Mifflin. ISBN 0-395-31555-7