His mother was a US citizen, which is enough to give him natural-born status.
Fortunately it doesn’t.
http://www.youtube.com/watch?v=QEnaAZrYqQI&eurl=http://www.plainsradio.com/
here is another area for anyone with ancestry.com access.
what about voting records? hawaii was a state in the 60s..so any address should have been listed....you might be able to see if it correlates with the birth announcement.