The Quilt Index appears to be the best place to search for information. Here's an essay on the contest -
http://www.quiltindex.org/essay.php?kid=3-98-3B. I hadn't realized that there were over 24,000 quilts entered, which makes it the largest quilt contest in history. Only 30 quilts were in the final group actually sent to the fair. The above essay links to a list of known winners -
http://www.quiltindex.org/~quilti/wi...ist_of_Winners
I just noticed that the above information was provided last time you posted about this quilt. Did you get any response from contacting the people mentioned in the essay, who are looking for more information about quilts in the contest?