I'd love to see that list as well. I imagine that in different times and places that this factoid has been true for a number of books. I read the same thing, an

I'd love to see that list as well. I imagine that in different times and places that this factoid has been true for a number of books. I read the same thing, and find it very believable, about "Dr. Chase's Recipes" (https://www.ebay.com/bhp/dr-chase https://www.ebay.com/bhp/dr-chase). I tend to see copies of it more commonly than Walton's book in used book stores in the US.