Cuentos inconclusos de Númenor y la Tierra Media
They appear in his books "The Hobbit" (1937), "The Lord of the Rings" (1954–55), and the posthumously published "The Silmarillion" (1977), "Unfinished Tales" (1980), and "The History of Middle-earth" series (1983–96), the last three edited by his son Christopher Tolkien.