| January 3, 1910 | Wilbur Wright to Octave Chanute |
| January
20, 1910 |
Wilbur Wright to Octave Chanute |
| January
23, 1910 |
Octave Chanute to Wilbur Wright |
| January
29, 1910 |
Wilbur Wright to Octave Chanute |
| April
28, 1910 |
Wilbur Wright to Octave Chanute |
| May 14, 1910 | Octave Chanute to Wilbur Wright |