https://quizlet.com/78441183/one-thousand-dollars-by-o-henry-american-stories-voa-flash-cards/
http://learningenglish.voanews.com/media/video/2517556.html
http://www.manythings.org/voa/stories/One_Thousand_Dollars_-_By_O_Henry.html
https://www.youtube.com/watch?v=-NJc7KsQ8Nk