A letter written to Mr. T. N. Carswell, Abilene, Texas from Elwin L. Skiles, President, Hardin-Simmons University dated April 21, 1970. Skiles expresses his appreciation for the participation by Carswell in the Founders Day program stressing that the assistance of the first Olsen Medalist added a great deal to the wonderful occasion.

A letter written to Sarah Anna Simmons Crane from T. N. Carswell, dated April 21, 1960. Carswell expresses his appreciation for all the "notes" from Crane which brought "memories of a now far off wonder day, the springtime of your life and mine". He advises of the generosity of her grandparents as to the reason he received his college degree and her Dad, whom he met and loved, was also a benefactor of Simmons. Carswell advises that conditions are quite different out at Simmons, that he is no longer a trustee having resigned some years earlier after Dr. Richardson resigned as president. He requests that she take the attached check and go to a show and dinner "for the sake of old lang syne".

A letter written to Mr. T. N. Carswell, Carswell Travel Agency, Abilene, Texas, from Wm. A. Blakley, Dallas, Texas, dated April 21, 1958. Blakley expresses his appreciation for Carswell's letter of confidence and support and for his contribution to the campaign. "You may be sure that I was not unmindful of the encouragment given me in Abilene when I reached my decision to make this campaign."

A Notification of Personnel Action Report for Thomas N. Carswell, from the Selective Service System State Headquarters for Texas, dated April 21, 1945 (effective date: April 22, 1945). The reverse side includes instructions by the Selective Service System pertaining to new appointees, employees and War Service appointments.

A Western Union telegram sent to J. Watt Page, Austin, Texas from Luster P. Gollagher, Senior Warden Assistant, Texarkana, Texas dated April 21, 1943. Gollagher advises Page that four hundred inmates are already registered, 50 are not registered, and he has received no word of a local board appointment. A handwritten note by L. M. F. [Major L. M. Fellbaum] at the bottom left of the telegram advises of having called Col. Perkins [Colonel John Perkins].

A letter written to Mr. T. N. Carswell, Esq., Parramore Post No. 57, American Legion, Abilene, Texas, from M. H. McIntyre, Secretary to the President, dated April 21, 1942. In reply to the request by Carswell for information, McIntyre advises of an enclosed copy of the President's "I Am An American" Day proclamation.

A letter addressed to Major T. N. Carswell, Abilene, Texas from Fred C. Smith, Moran, Texas, dated April 21, 1941. Smith advises Carswell that he and several of the men will attend the Albany Chamber of Commerce Annual Banquet and wanted to avoid being absent for inspection if it was planned for the same evening. He expresses his appreciation for the courtesy shown to them by Carswell and the other officers and by the Chamber of Commerce.

A letter written to Major T. N. Carswell, Commander 10th Bn., Texas Defense Guard, Abilene, Texas, from C. A. Dawson, Major 17th Battalion, Texas Defense Guard, Throckmorton, Texas, dated April 21, 1941. Dawson expresses his appreciation for the address given by Carswell deeming it a great help in the organization of the unit at Throckmorton. He requests guidance regarding purchasing uniforms and advises regarding some funding that has been promised for their unit.

A postcard addressed to Major T. N. Carswell, Abilene, Texas, postmarked Munday, Texas, April 21, 1941. The reverse side includes correspondence to Major [T. N. Carswell] from Lee Haymes, Munday, Texas dated April 21, 1941. Haymes advises of a date change to Thursday night, April 24 for Carswell to give a speech .

A letter written to T. N. Carswell, Secretary, Abilene, Texas, from W. J. Higgins, 1st Vice President, Lions International, San Antonio, Texas, dated April 21, 1924. Higgins agrees with Carswell that the injection of International politics is deplorable and explains his position and the position of the "boys" in San Antonio regarding the Green and Perry races.