Documents
Submission 63190821de1dc
Letter to Heath from Edmund A. Opitz, The Foundation for Economic Education, Irvington-on-Hudson, New York
Submission 631907e0f1f8a
Carbon of letter to grandson Crawford J. MacCallum and wife Cather (née Betty Cather), Ithaca, New York,
Submission 631907847dcc7
Carbon of letter of October 24, 1956, to Mr. and Mrs. Ludwig von Mises, 777 West End Avenue, New York City, followed by Mises’ penned response of October 30, 1956
Submission 631907437ba97
Letter to Spencer Heath, Director, The Science of Society Foundation, Roadsend Gardens, Elkridge, Maryland, from John J. Grebe, Director, Nuclear and Basic Research Department, Dow Chemical Company
Submission 631906b9931a6
Carbon of letter from Spencer MacCallum to his aunt, Beatrice O’Connell, in Winchester, Virginia, Treasurer of the newly incorporated Science of Society Foundation
Submission 63190671152fb
Carbon of letter to National Review, 211 E. 37th Street, New York 16, New York
Submission 6319061887815
Exchange of letters between Heath, August 3, 1956, and Helene Cook Vetter, 12 Oakwood Drive, Harris Hill, Buffalo 21, New York, October 9, 1956. Attached to original is an article from the Baltimore Evening Sun, July 25, 1956, “Was Dr. Cook First to Scale McKinley? Climbers May Tell.”
Submission 631905bbbc99d
Carbon of letter, August 23, 1956, to E. Merrill Root, 3221 Berwyn Lane, Richmond, Indiana, with response from Root, October 7, 1956, at R.R. #1, North Grosvenordale, Connecticut
Submission 6319054b9ae11
Carbon of letter to Department of Chemistry, University of California, Berkeley, California (This needs to be followed up on.)