Record Details Official playing rules of the National Football League. National Football League. (Added Author). Serials and magazines - 2009 Email Browse Related Items Subject Football > Rules. More Details ISBN: 1600782892 ISBN: 9781600782893 Physical Description volumes : illustrations Publisher Chicago : Triumph Books, c2009- Content descriptions Immediate Source of Acquisition Note: LSC 14.43 Additional Information Awards, Reviews, & Suggested Reads Additional Content Shelf Browser MARC Record