Hyde, P. N., Tolkien, J. R. R., & Lobdell, J. (1988). A working English lexicon: Being a compilation of the English words used to translate invented language elements together with volume and page number of every occurrence in the following works of J.R.R. Tolkien ... s.n..

Hyde, Paul Nolan, J. R. R. Tolkien, and Jared Lobdell. A Working English Lexicon: Being a Compilation of the English Words Used to Translate Invented Language Elements Together with Volume and Page Number of Every Occurrence in the Following Works of J.R.R. Tolkien ... [Simi Valley, CA?: s.n., 1988.

Hyde, Paul Nolan, et al. A Working English Lexicon: Being a Compilation of the English Words Used to Translate Invented Language Elements Together with Volume and Page Number of Every Occurrence in the Following Works of J.R.R. Tolkien ... s.n., 1988.