is that so? is that a fact? you're joking! well I never vs you're kidding! well blow me down with a feather

is that so? is that a fact? you're joking! well I never

you're kidding! well blow me down with a feather

How often have the words is that so? is that a fact? you're joking! well I never and you're kidding! well blow me down with a feather occurred in a corpus of books? (source: Google Ngram Viewer )