Letter from Harry C. Claiborne to Joe B. Plosser offering Claiborne's assistance in helping Plosser through his trial.

Letter from Hans A. Klagsbrunn to Charles A. Prince discussing the Bill of Sale for Plosser and Prince and and audit by Defense Plant Corporation's Dallas Agency.

Copy of a letter from R. C. Hoppe to Joe B. Plosser and Charles A. Prince discussing Hoppe's disapproval of the price for the type of pipe being used for a water line being laid on the site of Avenger Field.

Copy of a letter from Charles A. Prince to Frank Constant discussing an included list of construction defects and omitted construction projects for Plosser-Prince Air Academy.

Copy of a letter from M. H. Knowles to Fred L. Richardson discussing a contract between Plosser-Prince Air Academy and the Defense Plant Corporation for the account of the U.S. Army Air Corps, mentioning that the Academy will be subject to Army Air Corps auditors and that Richardson should refrain from deposit guarantees. The subject line of the letter reads, "Community Natural Gas Co. Dallas, Texas", and is crossed out in pen.

Copy of a letter from R. C. Griffith to Prince and Plosser discussing regulations and proposed plans for building a railroad track spur to carry plane fuel and supplies out to Plosser and Prince's flight school. The header at the top of the letter reads, "The Texas and Pacific Railway Company".

Minutes from a meeting at the office of Plosser-Prince Air Academy between several parties discussing faults in construction of Avenger Field and the Wilson Glider School and the possibility of the contractor, Victor J. Nelson, correcting the issues.

Copy of a letter from R. C. Griffith to Charles A. Prince inquiring about securing right of way and addition grading for a proposed railway track spur to Avenger Field in Sweetwater, Texas.

Copy of telegram text sent from R. C. Griffith to Charles A. Prince discussing the railroad track spur being built toward Plosser Prince Air Academy.

Copy of a letter from Frank L. Constant to Charles Prince discussing scheduling a meeting to address final construction needs for Plosser Prince Air Academy.

Copy of a letter from R. C. Griffith to Plosser Prince Flying Academy discussing the price of materials for construction of a railroad track spur to the academy in Sweetwater, Texas.

Copy of a letter from Charles A. Prince to R. C. Griffith discussing an enclosed check and contract copies for the construction of a proposed railway spur near Sweetwater, Texas.

Copy of a letter from L. G. Pondrom to Plosser and Prince and Victor J. Nelson discussing an enclosed treasury check for $70,426.37.