1959 Harris County poll tax receipt number 350205 for John J. Herrera. It includes demographic information about Herrera and is signed by the deputy of the Harris County Assessor and Collector of Taxes. Dates of elections are listed on the back.

Letter from Tony Campos, Executive Director for LULAC, dated January 30, 1960, and printed on Little School of the 400 letterhead. The letter announces the opening of a LULAC pre-school program at Clayton Courts Housing Units.

Letter from Governor John B. Connally thanking John J. Herrera for his congratulations and promising to help Herrera's son find a job when one comes available.

Article titled "Trustee Set Pre-School English Program," written by David Lopez and published in The Laredo Times on Friday, January 15, 1960. The article discusses the pre-school summer program sponsored by the Laredo League of United Latin American Citizens Council. Second article: "English project: Lulacs to aid schools," published in unspecified paper. Article on the reverse: "'Little School of 400' sets pace, and San Antonio falling in line," written by Charles Richardson and published in The Houston Press on Saturday, January 23, 1960. Includes a photograph of Ralph Cardenas, John A. Esquivel, Joe Olivares, Felix Tijerina, and Roy S. Padilla.

Open letter in recommendation by John J. Herrera for his son, John Michael Herrera.