A typed, autographed copy of a speech by Martin Dies, Jr., delivered on San Jacinto Day, April 21, 1969. The inscription reads "To my friend and great [?] John Herrera, Martin Dies, Jr."

Program for the Fiestas Patrias Mexicanas convention held in Houston, Texas, on September 15, 1969. Program titled: "Vivimos bajo el signo de su lucha." Contains schedule and advertisements.

Letter from J. B. Casas to John J. Herrera. Casas asks Herrera to support and promote Alfred J. Hernandez for the position of Judge either in domestic relations or probate courts.

Letter from Kenneth Schnitzer of Century Properties to John J. Herrera, September 22, 1969. Schnitzer provides an update to the planned functions for the event and encloses a status report with a schedule for the weekend's functions. The event was scheduled for October 10 and 11, 1969, with a parade and banquet.

Letter from the members of the Houston Host Committee for the Congressional Medal of Honor Society thanking John J. Herrera for serving with them on the committee. Includes a report of the details of the committee, including membership, purpose, and scheduled events.

Letter from Martin Dies, Jr., Secretary of State, Austin, Texas, to John J. Herrera, stating that Herrera's resolutions on Senator Ruiz are being prepared and Dies, Jr. will send them when they have been completed.

Letter from Martin Dies, Jr., Secretary of State, Austin, Texas to John J. Herrera, informing Herrera that Manuel Garza has asked Dies, Jr. to send the enclosed resolution.

Letter from Preston Smith, Governor of Texas, to John J. Herrera, in reply to Herrera's request for an appointment as judge of a new domestic relations court for Harris County. Smith asks Herrera to fill out and return an enclosed biographical form for his consideration.

Letter from Douglas M. Herrera to his father, John J. Herrera dated September 24, 1969. The letter briefly describes Douglas and Mary's arrival in Mexico and the goes on to discuss at length his concerns over his father's use of diet pills that contain Benzedrine and Dexedrine. Douglas expresses concern over use of these pills and the effects they are having on John's personality and the people around him. Douglas offers to leave school and get a job so that his father does not feel pressured to continue taking speed.

Letter from Douglas M. Herrera to his father, John J. Herrera. The letter reiterates Douglas' concerns regarding his father's drug use and urges him to realize the danger. The last page of the letter ends mid-sentence indicating perhaps pagee are missing from the letter.

Letter written by John J. Herrera to his son, Douglas M. Herrera, dated, May 26, 1969, with typed letterhead. In the letter Herrera states his disappointment in Douglas's choice to leave school to work in Alaska and expresses concern over his other son, Mike's, recent divorce and lack of education.

Letter to John J. Herrera from his son, Douglas M. Herrera, dated May 16, 1969. Douglas details his plans to leave university for summer work in Alaska. The letter is handwritten on loose leaf paper and mailed from the University of the Americas in Mexico to Houston, Texas.

Booklet from the Program Commemorating the 133rd Anniversary of the Battle of San Jacinto and Dedication of an Official Texas Historical Marker for Lynch's Ferry organized by The San Jacinto Chapters, Sons and Daughters of the Republic of Texas and Harris County Historical Survey Committee on Monday, April 21, 1969. Interior of the booklet details the itinerary of the program as well as the song and pledges which will be used. The back cover lists the members of San Jacinto Chapters, Sons and Daughters of the Republic of Texas and Harris County Historical Survey Committee.

Letter from Earl Leus, the Parade Chairman of the Parade committee of the San Jacinto Day Foundation, March 26, 1969. The letter calls for participants in the Pasadena San Jacinto Day Parade on April 19, 1969. It details the route of the parade as well as the theme, "Trails to San Jacinto". The second page of the letter lists parade rules and has an application for participation.

Letter to John J. Herrera from J. H. Painter, III, the Secretary-Treasurer of the San Jacinto Chapter of the Sons of the Republic of Texas, dated April 14, 1969, and printed on organization letterhead. The letter invites the Herrera family to participate in the San Jacinto Day Celebration to be held at the San Jacinto monument. A copy was also sent to Robert A. Sartwelle, President of the San Jacinto Chapter of the Sons of the Republic.

Letter from Robert A. Sartwelle, President of San Jacinto Chapter Sons of the Republic of Texas and printed on organizational letterhead. The body of the letter informs the recipient of the 133rd Anniversary of the Battle of San Jacinto program to be held on April 21, 1969 and gives the details of the event.

Letter from J. H. Silguero, an Assistant Cashier at the First National Bank of McAllen, Texas, thanking Herrera for the pleasure of having met him when he was in Houston and apologizing for having to leave early to attend to a family illness.

Onionskin paper carbon copy of letter from John J. Herrera to Larry E. Wadler, Judge of the Municipal Court, asking to be allowed to post bond while he cleared up the traffic ticket he received in July, the hearing for which Herrera missed.

Handwritten notes on various legal cases belonging to John J. Herrera.

Letter from attorney M. Gregory Gandara to Peter S. Navarro, Jr., the Managing Attorney of the Neighborhood Law Office of the Houston Legal Foundation, taking responsibility for several disputed accounts which were not added to the Foundation's books. Gandara formally swears to pay $50 per month until the total of the disputed balance is paid off.

Onionskin paper carbon copy of letter from John J. Herrera to Peter S. Navarro, Jr. accompanying a cashier's check from M. Gregory Gandara, one of Gandara's payments to settle an account dispute.

Self-addressed card for Scofields' Quality Printers, Inc. for John J. Herrera to use to verify his receipt of two copies of briefs for a case printed and delivered by that company.

Mugshot of Carlos Alvarez Perez taken at the Nueces County Sheriff Office. The placard around the man's neck identifies him as 44417.

1970 Harris County voter registration certificate number 346249 for John J. Herrera. It includes demographic information about Herrera, his party affiliation, and is signed by the deputy of the Harris County Assessor and Collector of Taxes. Dates of elections are listed on the back.