The OX5 Club of America Pioneer Airman constitution by-laws Pilots Roster 1959 is a book that provides historical information about the OX5 Club of America, a pioneering aviation organization. This book likely contains important documents such as the club's constitution and by-laws, as well as a roster of members, including pilots who were part of the organization in 1959. Aviation enthusiasts and collectors may find this material particularly interesting as it sheds light on the early days of aviation and the individuals who were instrumental in its development.