My source of information is twofold.
I have personally viewed literally over 200 cars of this vintage, (and still own some) and took a lot of time to research them, their options, and differences year to year.
The other source which I have used and have found accurate in all ways are the ''White Books'' sold by Galen Govier for many years.
He has done incredible research for a variety of Mopars and was known as the ''guru'' for researching and documenting most makes and models of Mopars and their factory options.
Mine are the 5th edition, August 2007.
I don't know if he still sells them, but I have found them very accurate in all respects.
I am just trying to help you out with some info that I have learned over the years...
Maybe we should take this conversation to a D.M. if you have any further questions so we don't muddy up your for sale ad any further...