The House of the Wolfings: The William Morris Book that Inspired J. R. R. Tolkien’s The Lord of the Rings    by Michael W. Perry
Price: $0.99 USD. 91520 words. Published on November 29, 2008. .
In a 1960 letter, J. R. R. Tolkien referred to The Lord of the Rings when he wrote, “The Dead Marshes and the approaches to the Morannon owe something to Northern France after the Battle of the Somme. They owe more to William Morris and his Huns and Romans, as in The House of the Wolfings or The Roots of the Mountains.” With a foreword and introduction, this is the text of that classic tale.

Names and Naming in J.R.R. Tolkien's The Lord of the Rings    by Michael R. Collings
Price: $1.99 USD. 11470 words. Published on March 18, 2011. .
This study is intended as an index to first and other significant appearances of key words and names in TLOTR. It is not a definitive concordance to all names—such already exist, and in any event such a massive undertaking does not fall within the purview of this study. Instead, it suggests the extent of Tolkien's indebtedness to Germanic language and literature.