Letter from Hector P. Garcia to John J. Herrera in response to a letter Herrera wrote about his son's interest in a government service position.

Letter from Senator Henry B. Gonzalez to John J. Herrera dated January 18, 1965, in which Gonzalez writes that he will help Herrera's son, Mike, if he visits Gonzalez's office.

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

Onionskin paper carbon copy of letter from John J. Herrera to C.V. "Buster" Kern enclosing Herrera's application for his commission as a special deputy in Harris County. Herrera also recommends Joe Overstreet for a job to Kern.

Onionskin paper carbon copy of letter to George J. Garza, editor of the LULAC News, from John J. Herrera dated January 18, 1947. Topics covered in the letter: updates on LULAC Council #60 activities; overview of the city of Houston's growth; news of new airline service to Mexico City and Latin American destinations; a request for recommendations of Latin American law school graduates to join Herrera's law firm; and news of an application for a Spanish speaking radio station.

Letter from M. R. Gonzalez of Fort Stockton, Texas to John J. Herrera, Regional LULAC Governor, dated January 18, 1949. This is a request for a hotel reservation for the Regional LULAC Convention.

Recommendation letter from Willard E. Walbridge to Lloyd Bentsen, United States Senate, for Frank M. Pinedo, asking Bentsen to consider Pinedo for one of the four Federal openings in the Southern District.

A program for the LULAC banquet honoring President General George I. Sánchez and Licenciado Manuel C. Gonzales on Sunday, January 18, 1942 at the Texas State Hotel Mezzanine in Houston, Texas. The program includes a menu of the dinner and a list of the speeches and speakers. John J. Herrera gave a speech, "The Problems of the Latin American in Houston Territory."