Interesting thread that will be bumped up in 2020 when you-know-who runs for re-election against not-him-again.
I had a different copyright problem that still bugs me today. My co-author and I sent our book to the publishers to be printed. We chose a nice cover with a four photo collage of the person we were writing about that we paid a printer to put together. But one photo was from an Oklahoma newspaper that is still in business. So we wrote to them and asked for permission to use their photo.
The time came to print our copies and still no word from the newspaper so we called them. They sent us a letter stating they wanted $250 for the right to use their photo. In hindsight, we should have paid them but we were too stubborn and on a budget. Due to time constraints we were forced to scrap the cover and replace it with the worst cover you have ever seen. Every time I look at it I am embarrassed. We could have published the book using the photo and hoped we never got sued.
Maybe the newspaper will go out of business and we can do a second printing? :-w