Postcard sent to John J. Herrera, Mike, and Shep in Houston, Texas from John's son, Douglas M. Herrera in Mexico. Text: "23 Sept 68, Dear Dad, Mike, Shep, San Luis is a pretty pace, muchas bonitas mujeres but I'm itching to get to la Ciudad D. F. So I'm catching the 11:30 A.M. bus out tomorrow so I can register for classes & begin the next day. Having a Corona on you all fellas. Wish me luck, I need it. DMH." The front of the postcard has images of four buildings in San Luis Potosi, identified on the reverse as Teatro de La Paz/La Paz Theatre, Plaza de los Fundadores/The Founders Square, La Caja del Agua/The Water Box, and Palacio de Gubierno/Government Palace.

Postcard of rows of red, yellow, and white flowers lining a stone banked stream. On the back, the postcard adds, "Hodges Gardens Highway 171 - Many, Louisiana The exotic colors of fall attract many visitors to Louisiana's Garden in the Forest."

Postcard of a drawing of a nine story brown building with white accents, described on the back as "Pas Del Norte Hotel In The Heart of the "International City" El Paso, Texas - Juarez, Mexico Downtown 300 Rooms - 3 Restaurants Climatized - Tour Headquarters." The letter on the back is illegible. The postcard is addressed to "Mrs. Carroll E. Ward 1906 McFaddin Beaumont, Texas."

Postcard of a stream winding towards the lake with scattered trees and yellow flowers along the side. The back of the postcard adds, "Hodges Gardens Highway 171 - Many, Louisiana A carpet of colorful pansies is an attraction every spring at Hodges Gardens, a year-round chain of flowers in the pine hills of Western Louisiana. Azaleas, tulips, dogwood in delicate pink and white, and masses of wild azalea and fragrant yellow jasmine form a brilliant spring show."

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The illustration on the card shows a mustachioed grinning character wearing a sombrero with the word "Bravo" above it.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The image on the card shows the head of a mustachioed man wearing a tall sombrero that covers his eyes and a scarf. The text "Espectacular Magnifica Gradiosa Maravillosa Estupendo Colosal" appears above the image.

A comical folding postcard with a grinch-like frowning face printed on the front with the words "Even an old grouch like you". The message continues on the other side "...would like HemisFair '68". The side of the card for writing addresses includes a picture of the Tower of the Americas with an idealized view of downtown San Antonio. with "HEMISFAIR' 68" at the bottom of the card. A HemisFair'68 held from April to October.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The text "If I Had a Penny for Every Time I've Thought About You ..." appears against a black background.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The image on the card shows a face wearing a cowboy hat with a finger at his mouth in a pondering gesture. The text "Thought for Today ..." appears below it.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The image on the card shows a happy smiling face from a side profile separating the text "We May Never Go Home".

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The words "Love and" appear on the postcard but the images of 'kisses' in the form of lips, rather than the actual word appears below the text.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The image on the card shows a bearded man with sun glasses on with a big toothy grin on his face. He is barefoot, wearing stripped trousers and a cut-off shirt with a flower pattern on it. The text "It's Boss, Man" appears above his head.

A brightly colored artistic illustration of one of the water courses that meandered through the HemisFair '68 grounds. In this picture, a large sailing ship or galleon rests near a small row boat. In the background people are standing at the edge of the water or strolling among the fairgrounds.

Postcard advertising HemisFair '68 featuring an image labeled "Theatre and Rivercourt" of a boat full of people in a pool outside the front of the Theatre of the Performing Arts. The building is fronted with a mural by Juan O'Gorman. The top of The Tower of the Americas is visible in the background, near the center of the image.

Postcard advertising HemisFair '68, featuring a photograph of people walking on a paved walkway with the Tower of the Americas behind them, in the center of the image, with a Ferris wheel at left. Printed on back: "The Tower of the Americas. The 622-foot concrete structure, seen from one of the fair's broad walkways, is the tallest observation tower in the Western Hemisphere. Glass-fronted elevators whisk visitors to the revolving restaurant and observation decks in 43 seconds."

A folding postcard with the words "HemisFair '68" written on the front and the words "just a hasty note from San Antonio ..." printed on the back. The side of the card for writing addresses includes a picture of the Tower of the Americas and an idealized view of downtown San Antonio.

Folding postcard illustrated with a picture of a blue, grinning character below the text, "Hello from San Antonio Texas" with text inside that says "The Hemisfair '68 City," The side of the card for writing addresses includes a picture of the Tower of the Americas and an line-drawing of downtown San Antonio.