I recently read The Prime of Miss Jean Brodie, and was struck by this passage in the biographical note about the author, Muriel Spark:

I had not heard of James Thin, but sadly, when I looked them up, it turns out that this long-standing bookseller, stationer and publisher no longer exists, and their Edinburgh shop is now a Blackwell’s.

I found this image of the James Thin notebooks Spark used, from an exhibition celebrating the centennial of her birth: