Military Magazines.- Air Enthusiast, issues 1-131, original wrappers, 4to, Key Publishing, 1974-2007;  Mackay (Ron) The 31st Fighter Group in World War II, original wrapper, 4to, Squadron Signal, 2007; Davis (Larry) 4th Fighter Group in World War II, original wrapper, 4to, Squadron Signal, 2007;  with a large number of other military magazines and volumes mostly issued by Concord Publications Company and Squadron Signal Publications, c. 1990s-2000s (very large quantity)