6 graphic advertisements for HemisFair '68. The two largest ones show the Tower of the Americas, amusement rides and people visiting some of the cultural exhibits. The text on all of the advertisements says "Visit HemisFair 1968 World's Fair, San Antonio, Tex. Apr 6-Oct 6, '68".

Six graphic advertisements for HemisFair '68. The two largest show a group of Latin dancers and a Punch and Judy puppet show. The text on all of the advertisements says "Visit HemisFair 1968 World's Fair, San Antonio, Tex. Apr 6-Oct 6, '68".

An artist's sketch of the Tower of the Americas at HemisFair '68. It includes text describing the Tower at the bottom of the page

Cartoon depicting "Smilin' Jack" standing on the beach with a woman who is wearing a bathing suit while helicopters fly above the water. Jack is waving and saying, "Congratulations -- U.S. Army Primary Helicopter School, Fort Wolters, on your eleventh anniversary." Behind them to the left, another man on the beach has just lost a button from his sweater and it is being swallowed by a bird. A note at the bottom says "From Smilin' Jack - Li'l De-Icer - Fat Stuff & Zack Mosley, CTNYNS."

Cartoon depicting a sign held in the air by helicopters at the upper corners and dangling soldiers in the lower corners; it says "11th Anniversary Primary Helicopter School." Sergent Snorkel is leaning out of the helicopter on the left to say "Come on Beetle! You're letting your end sag!" A note at the bottom says "With best wishes to all the gang at Fort Wolters - Mort Walker."

Cartoon panel drawn for the 11th anniversary of the Fort Wolters Helicopter School in Texas. In the image, two men are in a helicopter cockpit and the helicopter is upside-down. There are two speech bubbles that say: "You chump, you got this thing flying up-side-down" and "I have? Well, it is different, isn't it?" A note in the lower-right corner says "To Fort Wolters the best - Al Smith."