American oil tycoon. TLS, one page, 8.5 x 11, personal letterhead, May 5, 1970. In part: “By separate mail I am sending you one copy of each of my books which I have autographed feeling this will be a more personal representation than an autographed letter. I am also sending you material which I hope you will find of interest.” In fine condition, with scattered faint toning and creasing. R&R COA.