I was getting kind of tired of scanning prints, so I decided to take a look at some of the slides. Scanning slides is a bit more complicated and much slower. There are all kinds of options to try for backlight color correction, color restoration, sharpening, and dust removal. These should be considered rough drafts.
Mary Potts (my paternal grandmother) and my uncle Ted:
Sally and Elmer (I think that is Elmer):
Bonus points to anyone who knows the name of the dogs, or the year, or the exact location.