R. R. Reid is Robert Raymond Reid. He was the 4th territorial governor of Florida, serving from 12/2/1839 until his death on 7/1/1841. This letter was written on May 30, 1826 and was directed to John C. Calhoun, Secretary of War. At the time of the letter, Mr. Reid was a city judge for Augusta, Georgia. In the letter, also signed by a "Y. Walker", the pair is recommending that John White, a citizen of Augusta, be considered for acceptance into the US Military Academy at West Point.