I also enjoyed reading the the once private correspondence between the Wright brothers and Octave Chanute, retired engineer, author of "Progress in Flying Machines," and promoter of early heavier-than-air flying machines, spanning the years 1900 to 1910:
Digital Library by Sources
It's also from originals in the United States Library of Congress.
Too bad the Wrights didn't know about "the rules," i.e. that they should have invited Simplex1's journalistic ancestors to officially witness such communications for it all to count as historical evidence.