Literature

...used as a source for this paper (still, in order of importance :p)

J.R.R. Tolkien, The Lord Of The Rings,
HarperCollins, Hammersmith, 1995, first published in 1954/1955 (TLOTR)

J.R.R. Tolkien, The Hobbit,
HarperCollins, Hammersmith, 1999, first published in 1937

J.R.R. Tolkien, The Silmarillion,
HarperCollins, Hammersmith, 1999, edited by Christopher Tolkien, first published in 1977

J.R.R. Tolkien, Unfinished Tales of Númenor and Middle-Earth,
HarperCollins, Hammersmith, 1998, edited by Christopher Tolkien, first published in 1980

David Day, Tolkien: Die illustrierte Enzyklopädie,
Otus, St. Gallen, 2001

Michael Nagula, Tolkiens Welt,
Knaur, München, 2001