Contains correspondence to Miller from 40+ contemporaries, many of which are singular examples and / or are only signed with a first name. Letters signed legibly with last names include examples from Edith Wharton, Thornton Wilder, David Belasco, Edward Burlingame, Beatrice and George Kaufman, Rep. William Everett, Ambassador William Bullitt, H.G. Wells, Wallace Irwin, W.B. Maxwell, Frank Sullivan, Frank I. Cobb, Booth Tarkington, and Corinne Roosevelt Robinson.