Sources: https://leavenintheworld.files.wordpress.com/2014/12/letter-i-260.jpg
http://www.twainquotes.com/thewordthe.jpg
http://media-cdn.tripadvisor.com/media/photo-s/03/9b/2d/f2/new-york-city.jpg
http://math.hws.edu/~cc5148/The%20Yankees/nyy-pin-logo.gif
studentchallenge.edublogs.org