>letter from Cornwallis
https://founders.archives.gov/search/Correspondent%3A%22Washington%2C%20George%22%20Correspondent%3A%22Cornwallis%2C%20Charles%2C%20second%20earl%20of%22
I'll check em…anyone else care to look, link is above.
https://awesomedownloadfilestoday.pro/2017/10/26/legions-of-satan-jonathan-williams-pdf_wh/
It's a PDF link for the book.
But the story goes that it was told, not written, so know official correspondance exists.
https://awesomedownloadfilestoday.pro/2017/10/26/legions-of-satan-jonathan-williams-pdf_wh/