Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken from an upper level of the Dallas Trade Mart, shows banquet tables being set up on November 21, 1963, in preparation for the luncheon honoring President and Mrs. Kennedy scheduled for the following day.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken from an upper level of the Dallas Trade Mart, shows banquet tables being set up on November 21, 1963, in preparation for the luncheon honoring President and Mrs. Kennedy scheduled for the following day.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken from an upper level of the Dallas Trade Mart, shows banquet tables being set up on November 21, 1963, in preparation for the luncheon honoring President and Mrs. Kennedy scheduled for the following day.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image is a camera misfire that appears to show pavement, a person's foot and part of a car door.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image is a camera misfire which appears to show an aerial perspective of the Trade Mart floor, a table, and some feet.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image is a camera misfire which appears to show an aerial perspective of the Trade Mart floor, a table, and some feet.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image is a camera misfire.

Photograph of Mr. and Mrs. Harris arranging floral bouquets at the Dallas Trade Mart for President Kennedy's luncheon.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows Dallas florist shop owners Mr. and Mrs. Pete Harris surrounded by the yellow roses which would be used to decorate the Dallas Trade Mart for the luncheon scheduled to honor President and Mrs. Kennedy on November 22, 1963. The dark roses in the center of the image, between Mr. and Mrs. Harris, are the red roses which would be presented to Mrs. Kennedy upon her arrival at Love Field.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken from an upper level inside the Dallas Trade Mart, shows a fountain surrounded by tables on November 21, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken from an upper level inside the Dallas Trade Mart, shows a fountain surrounded by tables on November 21, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken on November 21, 1963, shows the presidential communications room that was set up for President Kennedy on the fourth floor of the Dallas Trade Mart.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken on November 21, 1963, shows the presidential communications room that was set up for President Kennedy on the fourth floor of the Dallas Trade Mart.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image, taken on November 21, 1963, shows the presidential communications room that was set up for President Kennedy on the fourth floor of the Dallas Trade Mart.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows Air Force One on the tarmac at Love Field on the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination. This image shows the alleged sniper's perch window on the sixth floor of the Texas School Book Depository. An unidentified Dallas Police detective is visible through the open window.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Eamon Kennedy. This image shows the United States flag flying at half staff outside Parkland Hospital on November 22, 1963.