This is a long shot now that the post is 10 years old.
On the off chance you are still active online, The Ilgenfritz Hardware store was owned by Clarence Edmund Ilgenfritz, husband to my 4th cousin 4X removed Isabelle McCreery Daniel. I'd gladly take it or a copy; the link to retrokitsch is no longer active.
If you are able to contact me, I can be reached at
andrew.j.gable@gmail.comThanks in advance,
Andrew G