Letter from Douglas M. Herrera to his father, John J. Herrera, dated January 7, 1971 and mailed from Puebla, Mexico, to Houston, Texas. The letter states that Douglas M. Herrera has been relieved of his position at the County Clerk's Office. He explains that he has returned to school to take education courses in the hopes of qualifying to teach.

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.

This document contains a letter from John J. Herrera to Douglas M. Herrera dated February 10, 1971, a letter from Douglas M. Herrera to Mrs. John J. Herrera dated April 2, 1971, and a United States Postal Money Order receipt. The letter from John J. Herrera to his son, Douglas M. Herrera, describes a malpractice case on which he is working and describes the death of a friend, Charlie Everett. The letter from Douglas M. Herrera to his mother, Mrs. John J. Herrera, requests assistance on locating missing documents including his W-2 form and documents sent by Veterans Affairs for the G. I. Bill. The United States Postal Money Order receipt for $25 is dated February 10, 1971.

Postcard to John J. Herrera and his wife Olivia from their son, Douglas M. Herrera. The postcard was mailed from Merida, Mexico to Houston, Texas and details the next portion of Douglas's journey and receipt of his father's telegram. The front image is of a hackney coach with "mestizas", two women standing in traditional dress in front of Saint John's Temple.