Neil Isaacs and Rose Zimbardo (ed.), Tolkien and the Critics (1970)
Essays on JRR Tolkien's The Lord of the Rings
Kate Jones, Favourite Writers. Londen, 2000
Leslie Ellen Jones, Myth and Middle-earth
Exploring the Legend Behind The Lord of the Rings
Douglas Charles Kane, Arda Reconstructed
Clyde S. Kilby, A Well of Wonder
Essays on C.S. Lewis, JRR Tolkien, and the Inklings
Edouard J. Kloczko (ed.), Tolkien en France. Source Fantastique, 1998
Paul H. Kocher, Master of Middle-earth (HoM)
The Achievement of JRR Tolkien
Paul H. Kocher, Master of Middle-earth (Thames)
The Achievement of JRR Tolkien
Paul H. Kocher, Master of Middle-earth
The Achievement of JRR Tolkien
Jyrki Korpua, The Mythopoeic Code of Tolkien
A Christian Platonic Reading of the Legendarium
Katie de Koster, Readings on J.R.R. Tolkien
San Diego, 2000
Katie de Koster, Readings on J.R.R. Tolkien (paperback)
San Diego, 2000
Lee/Solopova, The Keys of Middle-earth
Discovering medieval literature through the fiction of JRR Tolkien
Lehoucq (ed.), The Science of Middle-earth
A New Understanding of Tolkien and His World
Janice Liedl, The Hobbit and History
The unofficial movie tie-in to The Hobbit: The Battle of the Five Armies
Jared Lobdell (ed), A Tolkien Compass (1975)
Jared Lobdell (ed), A Tolkien Compass (1980)
Jared Lobdell (ed), A Tolkien Compass (2003)
Jared Lobdell, The World of the Rings.
Language, Religion and Adventure in Tolkien
Jared Lobdell, The Rise of Tolkienian Fantasy
Emilia Lodigiani, Invito alla lettura di Tolkien
Helen M. Luke, The Laughter at the Heart of Things
Louis Markos, On the Shoulders of Hobbits
The Road to Virtue with Tolkien and Lewis
Richard Mathews, Lightning from a Clear Sky
Tolkien, The Trilogy, and The Silmarillion
Richard Mathews, Fantasy. The Liberation of Imagination
Routledge, 2002
