Letter to John J. Herrera from a public notary, Mario Garza Ramos, in Matamoros in Mexico, formally giving Herrera authority on behalf of Ana García de Barguiarena and Roberto Barguirena Menchaca with regards to a 1968 Volkswagen car with Mexican registration for their younger son, Roberto Barguiarena García.

Script from the WBAP-TV/NBC station in Fort Worth, Texas relating a news story.

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Kipchoge Keino of Kenya hits the finish line in the 1500 meter run with Jim Ryun a distant second."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Kipchoge Keino of Kenya hits the finish line in the 1500 memter run with Jim Ryun a distant second."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Wyomia Tyus breask the tape to win the womens 100 meter run, beating out teammate Barbara Ferrell, center, and irene Szwinski."

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Although Mexican Olympic officials continue to maintain Mexico City's high altitude has not ill effect on athletes, these four competitors in yesterday's second heat of the 3,000 meter steeplechase are pictures of exhaustion after the race."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Ron Whitney, 316, of the US overtakes Rainser Schubert of West Germany, 46, on his way to new world recod of 49.0 second in elimination heat for 400 meter hurdles in the Olympic Games Sunday in Mexico City."

Letter to Mr. and Mrs. John J. Herrera from their son, Douglas M. Herrera, dated October 13, 1968. Douglas describes watching the Olympic Games in Mexico, and his plans to move to a different apartment near the Mexican university he is attending. The letter switches from Spanish to English. Douglas explains, “I guess I’ve murdered the family tongue enough for one letter so I’ll revert to a bit of jolly ole English.”

Postcard sent to John J. Herrera, Mike, and Shep in Houston, Texas from John's son, Douglas M. Herrera in Mexico. Text: "23 Sept 68, Dear Dad, Mike, Shep, San Luis is a pretty pace, muchas bonitas mujeres but I'm itching to get to la Ciudad D. F. So I'm catching the 11:30 A.M. bus out tomorrow so I can register for classes & begin the next day. Having a Corona on you all fellas. Wish me luck, I need it. DMH." The front of the postcard has images of four buildings in San Luis Potosi, identified on the reverse as Teatro de La Paz/La Paz Theatre, Plaza de los Fundadores/The Founders Square, La Caja del Agua/The Water Box, and Palacio de Gubierno/Government Palace.

From introduction: Preliminary assessment between the United States, Mexico, and the IAEA on the technical and economic practicability of a dual-purpose nuclear power plant designed to produce fresh water and electricity for the southern border portion of the Colorado River.

Photograph of a view of Boquillas, Mexico across Rio Grande River from the Texas side of the water in Big Bend National Park. There is a gathering of structures beyond the shore and there is some vegetation growing throughout the surrounding area.

Script from the WBAP-TV/NBC station in Fort Worth, Texas relating a news story.

Seven new subspecies of the white-winged dove (Zenaida asiatica) are described. The patterns of these recoveries are an invaluable aid to understanding racial distribution of this species. The extent of migration that breed in Central America is not yet adequately known. The range of the doves extends as far north as the southwestern United States.

Letter from John J. Herrera replying to Alberto Garibi Harper, Jr., stating his willingness to work more closely together whenever Herrera has business Guadalajara.

Envelope addressed to John J. Herrera, mailed from Guadalajara by Alberto Garibi Harper, Jr.

Chihuahua - Pacific Railway's "Autovias" train, consisting of fiat diesel cars coming out of one of the 73 tunnels which are located on the line between La Junta and El Fuerte, Mexico on the 281 mile portion of the route traversing the mountain region over the Continental Divide around 1968.

Annual journal of the Texas Archeological Society documenting research and findings of members as well as activities of the organization.

Fiat Diesel rail car crossing the Chinipas Bridge on the Chihuahua - Pacific Railway enroute through the Sierra Tarahumara (Copper Canyon) region of Mexico around 1968.

The Texas State Historical Association Quarterly Report includes "Papers read at the meetings of the Association, and such other contributions as may be accepted by the Committee" (volume 1, number 1). These include historical sketches, biographical material, personal accounts, and other research. Index is located at the end of the volume starting on page 661.

Certificate renewing the registration for Wendell Tarver with the Texas State Board of Veterinary Medical Examiners for 1968-1969. It includes the address for Dr. Tarver: Tres Picos 79, Col. Polanco in Mexico (D.F.), Mexico