18 00m Dale University Press New Haven 7 Connecticut March 26, 1957 Mr. Ludwig von Mises 777 West End Avenue New York 25, New York Dear Mr. von Mises: According to present plans the galley proofs of THEORY AND HISTORY will be sent you the latter part of April and should be returned, complete, to reach us not later than May 6 if we are to give you page proofs by the first of June so that you may read them and complete the index before you leave this country the middle of June. Sincerely yours, Rumeer Production Manager RB/db Copy to: Miss Yerkes