Auteur de l'œuvre originale

• 1999 - The Lord of the Rings - The Two Towers
• 1999 - The Lord of the Rings - The Fellowship of the Ring
• 2011 - The Hobbit: An Unexpected Journey
• 2011 - The Hobbit: The Desolation of Smaug

Parolier des chansons originales

• 1999 - The Lord of the Rings - The Fellowship of the Ring

Auteur de l'adaptation française

• 2013 - The Hobbit : The Battle of the Five Armies