There are 3 Relevant Articles, here, along with a Video of dialogue, discussing the punishments...
http://www.msn.com/en-us/sports/nfl/nfl-suspends-brady-4-games-for-deflated-footballs/ar-BBjDJUx?ocid=DELLDHP
http://www.msn.com/en-us/sports/nfl/excerpts-from-nfls-letters-to-patriots-brady/ar-BBjD9HB
http://www.msn.com/en-us/sports/nfl/the-nfl-finally-got-it-right-with-tom-bradys-four-game-suspension/ar-BBjDK3k
http://www.msn.com/en-us/sports/nfl/nfl-suspends-brady-4-games-for-deflated-footballs/ar-BBjDJUx?ocid=DELLDHP
http://www.msn.com/en-us/sports/nfl/excerpts-from-nfls-letters-to-patriots-brady/ar-BBjD9HB
http://www.msn.com/en-us/sports/nfl/the-nfl-finally-got-it-right-with-tom-bradys-four-game-suspension/ar-BBjDK3k