Photograph of several unidentified women, gathered together for a group picture inside a home residence. They belong to the 1961 San Antonio Chapter of the Links, Inc., a service organization advocating cultural and economic empowerment for African-American women. They wear formal attire and are grouped into two rows. Living room furniture and decor can be seen around them.

Photograph of several unidentified women, gathered together for a group picture inside a home residence. They belong to the 1961 San Antonio Chapter of the Links, Inc., a service organization advocating cultural and economic empowerment for African-American women. They wear elegant formal attire and stand in a long row. A cloth-covered table with cut-out lace trim is in the middle. A large punch bowl, a floral arrangement, candles, and stacked dishes have been placed on top.

Photograph at the center point of the construction for the Tower of the Americas, San Antonio, Texas. Marshall T. Steves, Sr. & John White with hard hats on shake hands at the base point of the Tower. Behind them a construction worker sits in the driver's seat of a bulldozer.

Photograph of President Lyndon Johnson signing a document in an informal office, surrounded by several dignitaries including Henry B. Gonzalez and Henry Zachry.

Worm's eye view of the Tower of Americas being constructed. In this photograph only the central concrete shaft has been completed and the tophouse has not yet been added. A mechanical crane is visible at the top of the concrete shaft.

Photograph of the construction site for HemisFair '68 in downtown San Antonio on an overcast day. The central concrete shaft (without the tophouse) of the Tower of the Americas is visible, and the upper most portion reaches into some light cloud cover.

Image of the Overview of HemisFair crowds near the Confluence at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of people paddle boating on the San Antonio River at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Illustration of the Panama House and International Sector at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of monorail car fire and fireman at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of monorail car fire and fireman at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of monorail car fire at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of monorail car fire and firemen at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of monorail car fire and firemen at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of monorail car fire and firemen at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of Mrs. Johnson, Henry B. Gonzales, and Mayor Walter W. McAllister with group at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of NIOSA, Night In Old San Antonio, at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of Office of American States at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of monorail car fire and fireman at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Illustration of the Mormon Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of Mrs. Johnson at an interview at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of the Panama Pavillion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of the Pearl Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The sign reads "The Pavilion Pearl Lager Beer."

Image of the Pearl Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The sign reads "The Pavilion Pearl Lager Beer."