http://www.sec.gov/Archives/edgar/data/764764/000076476419000043/rtnfinalpricingsupp32519.htm
http://www.sec.gov/Archives/edgar/data/1504461/000104746919001691/a2238233z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119005739/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119005755/form424b2.htm