A Hallmark birthday card sent to John J. Herrera from his son, Douglas M. Herrera. The front of the card is an image of a man fishing in a stream and the interior contains printed birthday poem. The card also includes a handwritten message concerning the death of Dr. King and Douglas' belief "The prospects for peace are now the best that have existed in a great while and was all hope that this war will be settled soon."

Birthday card to John J. Herrera from Sheppard W. King with a color illustration on the front cover depicting a cartoon character holding a sign that reads, "We need our Birthdays" and below it the words "I've always felt". The interior of the card consists of a color illustration of bare legs with a belt wrapped around them. The printed text says, "About like a nudist needs a belt! Many happy returns anyway!" The handwritten text in the card reads, "John - be careful - I know it scares the hell out of you when they start getting nude and dropping their chastity belt!!! Happy Birthday -Shep" The digital image also includes the envelope postmarked April 11, 1967

Card in an envelope sent to Herrera from Rev. P. F. Flores, thanking John J. Herrera for his support and congratulations on his appointment as Archbishop of San Antonio. The envelope containing the card is addressed to John J. Herrera and stamped: "El Paso, Texas 799, 11 Sep. 1979."

Onionskin paper copy of credentials certification letter from George J. Galvez, Secretary, and Elias Licona, President, of Corpus Christi LULAC Council Number 1 to LULAC Credentials Committee dated January 11, 1949. This certifies that Hector de Pena was appointed as delegate to the Regional LULAC Convention to be held in Houston, Texas, on January 29 and 30, 1949.

Envelope addressed to John J. Herrera from John Young, Congress of the United States, House of Representatives, postmarked February 11, 1966.

Greeting card that accompanied a check to further pay down court fees owed to John J. Herrera by Sylvia Gonzalez.

Letter from John J. Herrera's brother, Albert B. Herrera, wishing John and his family a Merry Christmas. The letter is signed B. B., Juanita, and Junior. The letter is accompanied by a booklet entitled, "The Great Questions", a Christian faith-based publication, as well as the addressed envelope that contained the aforementioned contents.

Letter from Beatrice Valera, a student at Jefferson Davis High School in Houston, Texas, to John J. Herrera, dated April 11, 1953. This is an Invitation to Herrera to be a guest speaker at Jefferson Davis High School's graduation dance held at the Paladium Nite club on May 31, 1953. Details about the evening's program are included.

Letter from Congressman Bob Casey, thanking John J. Herrera for his recommendation of Louis Jasso for the position of U. S. marshal. Casey writes that he does not have a say in such positions, and recommends Herrera write to Senator Ralph Yarborough and Vice President Lyndon B. Johnson.

Letter from C.V. "Buster" Kern, Sheriff, Harris County to John J. Herrera regarding filling a position for Mr. Munoz in his office.

Onionskin carbon copy of the letter sent by Dr. Carlos E. Castañeda to Alonso S. Perales in San Antonio, Texas. Dr. Castañeda discusses the special election for the State Senate and the possibility of John J. Herrera running as a candidate. Castañeda provides details for obtaining votes and financial support for Herrera's campaign.

Letter from Christie Caradonio, Catering Manager at the Rice Rittenhouse Hotel, to John J. Herrera confirming reservations for a meeting room for a LULAC event.

Letter from Christie Caradonio, Catering Manager at the Rice Rittenhouse Hotel, to John J. Herrera confirming reservations for a meeting room for a LULAC event.

Letter from Dr. Hector P. Garcia congratulating John J. Herrera on being honored. Garcia praises Herrera for his accomplishments in defending Mexican-American civil rights and for his bravery in fighting discrimination. Garcia notes that he will not be able to attend the event in person.

Personal letter from Ernesto Herrera to John J. Herrera. Ernesto asks John to send him his watch.

Letter from Frank M. Pinedo to John J. Herrera asking for Herrera's help finding an opportunity to work on Yarborough's staff in Washington.

Letter from Fred Hofheinz, Mayor, to John J. Herrera, congratulating Herrera on his birthday and completing 31 years as a practicing lawyer.

Letter from G. J. Garza, National LULAC President, to John J. Herrera, LULAC First National Vice-President, dated October 11, 1950. The original note included the charter for the new LULAC Council in Pasadena, Texas. Garza asks for information about a proposed site for the Texas Regional Convention and inquires about records concerning the Galveston LULAC Council.

Letter from George J. Galvez, Secretary, and Elias Licona, President, LULAC Council Number 1, Corpus Christi, Texas, to the LULAC Credentials Committee, Houston, Texas, dated January 11, 1949. This is a certification that Louis G. Wilmot has been appointed to attend the Regional LULAC Convention on January 29 and 30, 1949 in Houston, Texas.

Letter from Homer Leonard to Ernest Eguia and Toby P. Hernandez about a beer order for the 1966 LULAC National Convention, to be held at the Rice Hotel in Houston on June 23-26, 1966.

Letter from J. B. Casas to John J. Herrera. Casas asks Herrera to support and promote Alfred J. Hernandez for the position of Judge either in domestic relations or probate courts.

Letter from Jack Vargas to John J. Herrera, dated March 11, 1979, and printed on League of United Latin American Citizens letterhead. The letter invites Herrera to the 5th Annual LULAC Banquet and instructs him on the need for prior reservations.

Letter from Jacob I. Rodriguez, LULAC National Director of Publicity, to John J. Herrera, LULAC National President, dated June 11, 1953. Rodriguez discusses issues concerning LULAC News that might arise at the upcoming National Convention.

Letter from John Goldsum, Jr. acknowledging the receipt of a letter concerning Private Abel Cisneros. Goldsum indicated he would advise John J. Herrera when a reply had been received from the Commanding General at Camp Gordan.