Newsletters Newsletters – 1938 – January 1938 – February 15 1938 – March 25 1938 – April 17 1938 – May 10 1938 – August 28 1938 – October 20 1938 – November 18 1938 – December 14 1938 – December 28 1939 – January 22 1939 – February 1, 2 1939 – February 6-14 1939 – February 23 1939 – March 20-22 1939 – April 5, 8 1939 – May 22 1939 – June 26 1939 – July 21 1939 – August 8 1939 – August 27, 29 – September 3, 16, 21