並前往https://books.google.com.tw/books?id=dKetBQAAQBAJ&pg=PA7&lpg=PA7&dq=Thetford&source=bl&ots=6HHjkd45tR&sig=ACfU3U1XWa-ZxXmY4uBbfEkkwD5q-iQ8rQ&hl=zh-TW&sa=X&ved=2ahUKEwiB0bm9pcX6AhUNLUQIHeEdA3EQ6AF6BQiVAxAD