Jerusalem crickets vs by God

Jerusalem crickets

intj
  • gosh; wow; expressing astonishment. 

by God

intj
  • An exclamation of surprise. 

adv
  • Used as an oath to emphasize the veracity of an associated statement. 

  • Used as an intensifier. 

adj
  • Genuine, actual. 

How often have the words Jerusalem crickets and by God occurred in a corpus of books? (source: Google Ngram Viewer )