Neiman's works, "Art's the Thing!" and "There is a Tyrant in Every Country" are mentioned in the letter.
Neiman's address listed as:
913 Copper NW
Albuquerque, NM
McCormick's address listed as:
Doubleday and Co., Inc.
575 Madison Ave.
New York 22, NY
Personal names mentioned in the letter:
Ray West, Jr.
Lambert Davis