Letter from Charles P. Biggar to Kenith L. Ballard congratulating and thanking Ballard for his contributions to IBM during Ballard's 30 years of service. The letter is typed on IBM letterhead from the Office of the Vice President.

Letter from Douglas M. Herrera to his father, John J. Herrera, dated April 13, 1971 and mailed from Merida, Yucatan, to Houston, Texas. Douglas wishes Herrera a happy birthday and describes his travels in Mexico and plans to visit the Mayan temples.

Letter from Thomas J. Watson, Jr. to Kenith L. Ballard expressing appreciation for and congratulating Ballard for his 30 years of service with IBM.

Program for the commemoration of the 135th Anniversary of the Battle of San Jacinto held at San Jacinto Battleground Park on April 21, 1971, and hosted by the San Jacinto Chapter Daughters of the Republic of Texas and Sons of the Republic of Texas. The inside of the program lists the days speeches and events as well as the lyrics to "Texas, Our Texas." The back of the programs lists the officers of the hosting organizations.

Speech by John J. Herrera delivered at San Jacinto Monument on San Jacinto Day, April 21, 1971, commemorating the 135th anniversary of the Battle of San Jacinto. Herrera indicates that after giving this address for the past 31 years he is grateful as to how he has been received, confident that the memory of those who fought will live on, and plans to pass the honor of speaking at this event another another person.