William F. Koch, Ph.D., M.D. – Research & Publications

1942 – Letter to L. Koch from Voorhies, Long, Ryan and McNair, Explanation of Nature of Proceedings Taken Against Koch, Koch Laboratories, and L. Koch, July 14, 1942, November 14, 1942

1942 – Letter to L. Koch from Voorhies, Long, Ryan and McNair, Explanation of Nature of Proceedings Taken Against Koch, Koch Laboratories, and L. Koch, July 14, 1942, November 14, 1942