Here's a brief overview of each volume and what they offer:
The History of Middle-earth is a monumental 12-volume series published between 1983 and 1996. It traces the evolution of J.R.R. Tolkien's legendarium from the earliest drafts to the final published versions of The Lord of the Rings and The Silmarillion . the history of middle earth volumes 112 pdf free
: An extensive index of primary sources and research literature on Tolkien studies is available on Academia.edu The Authors of Middle Earth Here's a brief overview of each volume and