These links are all very welcome and it is so very pleasing to see so much older material and knowledge on the Original Trilogy. I will bookmark this for future reading. Thank you!
This is not my blog, but I have found it very interesting, fun, and with some rare images from their collection:
Star Wars 77-80 Collectors Blog - http://starwars77-80.blogspot.com
It also has Star Wars sections for Marvel, Kenner and Topps. Books, Videos and Magazines too.