I would write letters, call and go out to the airport to their lost and found and check once a week. I would find out where they have stuff that has no tag/identification.
You could contact an attorney to find out what your rights are as a consumer. You could try and get the numbers for the other airports and do some calling yourself. I know this has to be frustrating. I've gone thru this once myself, however did finally get our suitcases back.
You might even want to call D/FW Airport in general in case another airline has the bag or someone else picked it up and returned it to the airport.
I would wait a couple of weeks and if you don't hear anything ask for a refund of what you think is a fair deal for your belongings and hassle/frustration too.
I'm sorry you are going thru this. Maybe you can get the newspaper article by going to the library and looking on microfiche or going to the newspaper itself, hopefully you can get that article back. Scrapbooks, I know are priceless with the pictures, time you put into it also. I hope you get your things back.