Typed letter from Whitney North Seymour to E. Barrett Prettyman, Jr. enclosing a typed memorandum regarding plans for a lecture series in honor of Justice Jackson.   The end product would be "Mr. Justice Jackson: Four Lectures in His Honor," published by the Association of the Bar of the City of New York and the William Nelson Cromwell Foundation in 1969.  Dated 11 January 1966 [Note the letter is actually dated 1965, but this is a typographical error].