Photograph used for a story in the Daily Oklahoman newspaper. Caption: "An Oklahoma City businessman has practically found a home here in Mexico because of a thriving business venture."

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 697.

Photograph of locomotive No. 67, a consolidation type 2-8-0, on the turntable in the San Lazaro engine terminal enroute from its roundhouse stall to servicing tracks. The "F.C. I." abbreviation on the tender is Ferro-carril Cuautla Y Ixtla" (Cuauta and Ixtla Railroad). In yesteryears this locomotive ran only on this 50-mile branch line. Soon it will head the National Railways of Mexico's narrow gauge passenger consist on the main line run from Mexico City via Cuauta to Puebla. This 3-foot gauge railroad system is one of the oldest in the Republic. It traverses one of the most picturesque routes in Mexico.

Letter from Raúl Segura Procelle to John J. Herrera, dated January 12, 1967. Segura Procelle sends Herrera a copy of an interview with Herrera, and asks after the League of United Latin American Citizens.

Christmas postcard from the Tarver family including a small photo of the children in the center. There are black-and-white illustrations around the outside of the photo depicting the three wise men riding camels, the star, and palm trees; the words "Felices Pascuas" are at the top of the postcard and "Pròspero Año Nuevo" are at the bottom. In the photograph, the Tarver siblings are wearing their school uniforms and are posed together in a yard; a fence, buildings, and trees are visible behind them. They are, from left to right: Byron Lee and John Arthur in the back; Lawrence Alden, and Carol Lynn in the front. A handwritten note under the photograph says, "Arthur, Byron, Lynn, Larry, Wendell & Janie."

Photograph of Dr. Wendell Lee Tarver standing behind his wife, Mary Jane, with his arms around her. They are posing together at their house in Monterrey, Mexico next to a decorated Christmas tree and a pile of presents. A long flowered curtain is visible behind them and there are chairs on the right of the image. A handwritten note on the back says, "Dr. Wendell and Jane Tarver. Taken Christmas Eve 1966, Monterrey N.L. Mexico."

Daily record sheet of patients visiting the doctor's office. The back of the sheet contains a handwritten table of balances, paid and unpaid, "Before Ann," "Wish Ann," and "After Ann;" the final notes show how much money is owed to each person following the Central America trip.

Photograph of the North Texas State University "One O'Clock Lab Band" on tour in Mexico for the U.S. State Department. Their director Leon Breeden is seen standing in front of a microphone to the left side of the stage the group is perfoming on. Many people are standing on a second floor level balcony and watching the performance. 1967.

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Climax to the boys' three-month tour will be an appearance at the Mexican Pavilion at Expo-67."

Letter to John J. Herrrea from Cesar Lazo Hinojosa wishing him a happy New Year. Envelope included with letter.

Letter from Alberto Garibi Hernandez, Jr., a young attorney in Guadalajara, to establish an introduction with John J. Herrera.

Letter to John J. Herrera from Arnulfo Gómez García offering his services as an Attorney-at-Mexican-Law for any business Herrera's firm needed to conduct in Mexico.

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

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

This thesis examines the history of the Mexican contract labor program from the World War II program in 1942 to the post-bracero era in 1964-66.

Photograph of members of the band and others at a venue, tentatively identified as Campeche, Yucatan, Mexico. Several band members can be seen in the background with instruments, and two men can be seen standing at front. One appears to be speaking into a microphone which is draped with a banner for radio station RCN, Campeche. The other man, in glasses, is tentatively identified as Leon Breeden.

Double-exposure photograph of members of the band performing onstage. The layered exposures show one man playing a saxophone, superimposed over another playing a slide trombone.

Photograph of a game of dominoes played during the trip, using an equipment crate as a table. The crate is clearly marked NTSU, and American Embassy.

Photograph of a performance in Mexico. In foreground can be seen a man playing a slide trombone, and a man in a plaid jacket conducting, tentatively identified as Leon Breeden. A few other members of the band can are partly visible in the background.

Photograph of an urban area, taken from a hill or a tall building, during the tour. Many buildings can be seen in foreground, and in the background are hills and mountains.

Photograph of a performance in Mexico. The band can be seen onstage, dressed in dark suits, with one standing out front giving a trumpet solo. To right onstage is man in plaid coat, tentatively identified as Leon Breeden.

Photograph of a performance during the tour. Onstage is Carol Lurie singing. Other members of the band can be seen in the background.

Photograph of the ground from the window of the plane. The view, which includes part of the window and a tip of the wing, is looking down on mountainous terrain, with a small concentration of buildings near lower center.

Photograph of a presentation at a performance during the tour. Members of the band can be seen at an outdoor venue, seated at their music stands holding instruments while an older man stands at a microphone speaking and holding what appears to be a record. Behind him stand two other men, the one at back tentatively identified as Leon Breeden. Based on banner on microphone, this may be at Puebla, Mexico. Above can be seen an audience standing at the railings of the balcony of an upper floor. This is one of a series of photographs taken during the One O’Clock Lab Band’s tour to Mexico, January 26 to February 21, 1967. The United States Department of State sponsored the tour, and the band traveled as representatives of the United States. Directed by Leon Breeden, the 20 member band and their guests vocalist Carol Lurie and pianist-organist Linda De Leon, toured for 26 days, giving 19 scheduled concerts and two impromptu shows at venues throughout Mexico.