December 17, 1957 Mr. Norman W. Donaldson Yale University Press New Haven 7, Conn. Dear Mr. Donaldson: Thanks for your letter of December 11. I fully agree with your intention to give to Dr. Doenges the permission to use materials from my books as outlined in his letter of December 3, 1957. With kindest regards and the season's greetings, Faithfully yours, LM/ms