Added to the JURN site-index today:—
Grey Book : online journal of Middle Earth, The (Undergraduate peer-reviewed journal from the University of New Mexico)
Tengwestie (Elvish linguistics)
Other Minds (Tolkien role-playing magazine – includes scholarly essays, some by academics)
St. Austin Review (Offers one free article from each issue)
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Tolkien : Middle Earth, Middle Ages (an online Tolkien reader)