June 20, 1957 Miss Vivian E. Thierry Research Secretary Northwestern University 339 East Chicago Avenue Chicago 11, Illinois Dear Miss Thierry: This is in reply to your inquiry of June 18. We take pleasure in granting you permission to reproduce parts of Chapter IX, "Profit and Loss" from Ludwig von Mises's book PLANNING FOR FREEDOM. Yours very truly, L IBERTARIAN PRESS 7n Frederick Nymeyer FN:br c/c Dr. Ludwig von Mises