A letter written to Mr. T. N. Carswell, Abilene Machine Company, from Joe Benson, President Chamber of Commerce, Abilene, Texas, dated April 26, 1950. Benson requests that Carswell serve as a member of the Chamber of Commerce Highway Committee, with Jesse F. Winters acting as chairman.

A letter addressed to Mr. T. N. Carswell, Abilene, Texas, from W. B. LaMaster, W. B. LaMaster Realty Company, Perryton, Texas, dated September 26, 1950. LaMaster advises of the time and date for the Great Plains Highway U.S. 83 Annual National Meeting. He recounts the celebration of the completion of Highway 83 through Texas acknowledging that 83 was established largely through Carswell's assistance and work. LaMaster requests that Carswell and Judge Ely attend the meeting.

A letter written to Mr. T. N. Carswell, Abilene, Texas from "Jake" [J. D. Sandefer, Jr.], Breckenridge, Texas, dated July 26, 1950. Sandefer expresses his appreciation for Carswell's "interest in that little Mother of mine" and assures him that she enjoyed the recent visit from Carswell.