here are a few of the other links I have found on the XP-51 before it was restored.
https://crgis.ndc.nasa.gov/historic/XP-51_Mustang
https://crgis.ndc.nasa.gov/historic/P-51_"Mustang"_Archives_Collection
NASA has quite few files and photos of the Plane. Not much info from the EAA Display on...
here are some of the photos I have located on the XP-51. My Dad worked on the XP-51 when he was at NAA from Dec 1940 to July 1942.
crjohnstonjr's Recent Uploads
Also one photo of 038 when it was at ?? before being sent to the Smithsonian on the San Diego air musuem website. can't find the link...