↑ДандчӀвала гьединго транслитерационияб (хъвалеб къагӀидаялда рекъараб, амма абулелда гуреб) вариант То́лкиен. Ричарду Джефферихъе кагътида Халип:Д Толкиница хъвалеб буго: «Дир фамилия кидаго хъвалеб буго (дуца хутӀун) Толкейн гӀадин. Лъаларо гьелъие щиб гӀилла бугебали, дицани кидаго ахир абула -кин гӀадин» («I am nearly always written to as Tolkein (not by you): I do not know why, since it is pronounced by me always -keen». «The Letters of J.R.R. Tolkien», № 347).
———; Smith, Arden R.; Wynne, Patrick H.; Garth, John (2017). J. R. R. Tolkien the Esperantist: Before the Arrival of Bilbo Baggins. Barletta: Cafagna. ISBN978-88-96906-33-0. OCLC1020852373.
Costabile, Giovanni Carmine (2018). "Bilbo Baggins and the Forty Thieves The Reworking of Folktale Motifs in The Hobbit (and The Lord of the Rings )". Mythlore. 36 (2 (132)): 89–104. ISSN0146-9339. OCLC8513422873.
Duriez, Colin; Porter, David (2001). The Inklings Handbook: The Lives, Thought and Writings of C. S. Lewis, J. R. R. Tolkien, Charles Williams, Owen Barfield, and Their Friends. London: Azure. ISBN978-1-902694-13-9.
———; Hostetter, Carl F., ред-л. (2000). Tolkien's Legendarium: Essays on The History of Middle-earth. Westport, CT: Greenwood Press. ISBN978-0-313-30530-6. DDC 823.912 LC PR6039.
Fredrick, Candice; McBride, Sam (2001). Woman among the Inklings: Gender, C.S. Lewis, J. R. R. Tolkien, and Charles Williams. Greenwood Press. ISBN978-0-313-31245-8.
Glyer, Diana Pavlac (2007). The Company They Keep: C. S. Lewis and J. R. R. Tolkien as Writers in Community. Kent, Ohio: Kent State University Press. ISBN978-0-87338-890-0.
White, Michael (2003). Tolkien: A Biography. New American Library. ISBN978-0-451-21242-9.
Zaleski, Philip; Zaleski, Carol (2016). The Fellowship: The Literary Lives of the Inklings: J. R. R. Tolkien, C. S. Lewis, Owen Barfield, Charles Williams. Farrar, Straus and Giroux. ISBN978-0-374-53625-1.