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May 26th,1928. Dr. Frederick B. Flinn, Columbia University, College of Physicians and Surgeons, 437 West 59th St. 9 N.Y.C. Dear Dr. Flinn: We are herewith sending you copy of the blood picture of the 5 complainants submitted to Mr. Markley by Dr. Rector. We understand that these pictures were supplied to Dr. Rector by Dr. St. George. Very truly yours, Vice President. HHBarken:RH enclosure