Tolkien, J. R. R. (1996). Christopher Tolkien (ed.). The Peoples of Middle-earth. Boston: Houghton Mifflin. ISBN 978-0-395-82760-4.
Tolkien, J. R. R. (1996). Christopher Tolkien (ed.). The Peoples of Middle-earth. Boston: Houghton Mifflin. ISBN 978-0-395-82760-4.