Letter from Ed Idar, Jr., to John J. Herrera, dated January 21, 1952. This is a cover letter for items sent under separate cover, copies of a report, most likely the study entitled "The Wetback in the Lower Rio Grande Valley of Texas," written by Lyle Saunders and Olen E. Leonard, and a letter written to Judge J. T. Canales.

Letter from Gus C. Garcia to John J. Herrera dated January 21, 1952. Garcia discusses the ramifications of a report, most likely the study entitled "The Wetback in the Lower Rio Grande Valley of Texas," written by Lyle Saunders and Olen E. Leonard.

Letter to John J. Herrera from J.C. Machuca extending Machuca's congratulations to Herrera for being sworn in by the Supreme Court of the United States granting him the right to practice law before the Supreme Court of the United States. Machuca acknowledges and appreciates Herrera's cooperation and collaboration on providing documents that Machuca requested in a previous letter and expresses that they will be turned over to Director of Publicity, Mr. Luciano Santoscoy. Machuca promises a prompt return of a publicity picture that was sent to Machuca in a previous correspondence from Herrera.

Letter from John J. Herrera, Texas Regional Governor of LULAC and Advisor, Harris County March of Dimes Committee to "Whom It May Concern" dated January 21, 1949. This letter was to introduce members of Houston LULAC selected to solicit funds from other LULAC members, businesses and individuals on behalf of the Harris County March of Dimes Campaign.

Onionskin paper carbon copy of a letter from John J. Herrera to Ben Coren of the Rice Hotel, Houston, Texas, dated January 21, 1949. This is a request for rooms to be reserved for LULAC delegates to the LULAC Regional Convention to be held in Houston, Texas.

Letter from Joseph Rios, President of Pan American College, San Antonio, Texas, to John J. Herrera, LULAC National President, dated January 21, 1953. Rios acknowledges M. A. Urbina of Pan American College will be speaking at the upcoming LULAC convention.

Letter from Pierre Salinger to John J. Herrera informing Herrera that his plaque has been autographed and returned.

Official Certification of documents regarding American Express vs. League of United Latin American Citizens, dated January 21, 1977, and signed by Mark White, Secretary of State, State of Texas. The certification indicates documents forwarded to Roberto Ornales as a representative of LULAC which were returned: "moved, not forwardable".