Pull A Part down in Knoxville TN has all of these cars listed. Fair warning, all cars have a lot of major cancer, but mostly all are fairly complete minus engine/trans. Not sure how much of them are useable, but wanted to share for any locals. I know the 68(listed on website as a 78, they must not deal with old stuff enough) isn’t worth even looking at sadly.

 

Here's the '64 Cutlass.

 

They also have a 69 next to that 64, it’s not listed in their system anywhere.

 

That is a 1965.