Index (The Lord of the Rings)

From Author Wars - https://authorwars.com/books/index-the-lord-of-the-rings-1061539.html

Overview:

Title: Index (The Lord of the Rings)
Author: uncredited
Year: 1966
Type: Essays

Editions/Publications:

Unknown. The Lord of the Rings (Unknown, uncredited, Unwin Hyman, ISBN-10: 004823091X, £50.00, 1193 pages, Hardcover, Omnibus)
Unknown. The Lord of the Rings (Unknown, uncredited, Unwin, ISBN-10: 0048232297, £5.95, 1193 pages, Trade Paperback, Omnibus)