Vol. 12, No. 4 (Winter, 1971). Fine. 
Journal of The Society of World War I Aero Historians issued in Santa Ana & later in Manhattan Beach, California. This issue contains "Six Months with Sixty-five: The Diary of Group Captain Guy M. Knocker," "Attatched to No. 56: Excerpts from the Diary of Paul S. Winslow," "A History of the 28th Aero Squadron," "A Tail-Ender with No. 57 Squadron" by 2nd Lieutenant Leslie E. Morris, R.A.F., "Dispatch Rider for the 14th Aero Squadron: The Adventures of Normand Rotermund," etc.