Books:
Assault On The Liberty by Jim M. Ennes Jr. – He was there and wrote a concise account of what happened on the USS Liberty.
The Attack On The Liberty by James Scott
Body Of Secrets by James Banford
Websites:
https://www.usslibertyveterans.org
http://joebaugher.com/ Joe Baugher – This is an amazing site that was very helpful to Katherine.
https://www.scramble.nl/database/military Scramble Dutch Aviation Society
https://www.dm.af.mil/About-DM/Units/Mission-Partners/309-AMARG