Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows a crowd gathered near the entrance to the courthouse on an unknown date during the Jack Ruby trial in early 1964.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy greeting the crowd at Love Field on the morning of November 22, 1963. Mrs. Kennedy is visible at the left edge of the picture.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows President Kennedy greeting the crowd 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. This image shows a crowd waiting for a glimpse of President Kennedy in front of the Hotel Texas in Fort Worth on the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows a crowd waiting for a glimpse of President Kennedy in front of the Hotel Texas in Fort Worth on the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows a crowd waiting for a glimpse of President Kennedy in front of the Hotel Texas in Fort Worth on the morning of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen. This image shows a crowd waiting for a glimpse of President Kennedy in front of the Hotel Texas in Fort Worth on the morning of November 22, 1963.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. The image shows a crowd of civilians and detectives, including suspect Lee Harvey Oswald's brother Robert Oswald (second from the right), inside the Homicide and Robbery Bureau at the Dallas Police Department headquarters the evening of November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald and United Press International staff photographer Darryl Heikes. The image shows a crowd of reporters in the third floor hallway of Dallas Police headquarters outside of the Homicide and Robbery Bureau the evening of November 22, 1963. Two police officers stand outside the door, keeping the crowd of reporters in the hall.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows a small crowd gathered on Elm Street on November 23, 1963. Most of the people in the crowd are looking at the Texas School Book Depository building.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows a small crowd gathered on Elm Street looking at the Texas School Book Depository on November 23, 1963.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. This image shows a crowd gathered on Elm Street on November 23, 1963, the day after the assassination. A man in the foreground is looking up at the Texas School Book Depository.

Original black and white photographic negative taken by a Dallas Times Herald staff photographer. The image shows some people on Houston Street in front of the Texas School Book Depository. A crowd had gathered outside the Dallas County Sheriff's Department offices on Houston Street on Sunday morning, November 24, 1963, to await the arrival of suspected assassin Lee Harvey Oswald from the city jail. Oswald was shot before the transfer could be completed. This image was taken after news of Oswald's shooting had spread.

Original black and white photographic negative taken by Dallas Times Herald and United Press International newspaper photographer Darryl Heikes. This image shows the crowd on Main Street after the presidential motorcade passed by.

Original black and white photographic negative taken by Dallas Times Herald and United Press International newspaper photographer Darryl Heikes. This image shows the crowd on Main Street after the presidential motorcade passed by.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Bill Beal. This image shows the crowd on Main Street after the presidential motorcade passed by. The image was taken from a balcony at the Adolphus Hotel.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Bill Beal. This image shows the crowd on Main Street spilling into the street after the presidential motorcade passed by. The image was taken from a balcony at the Adolphus Hotel.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Bill Beal. This image shows the crowd on Main Street after the presidential motorcade passed by. The image was taken from a balcony at the Adolphus Hotel.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Bill Beal. This image shows the crowd on Main Street after the presidential motorcade passed by. The image was taken from a balcony at the Adolphus Hotel.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Bill Beal. This image shows the crowd on Main Street after the presidential motorcade passed by. The image was taken from a balcony at the Adolphus Hotel.

Original black and white photographic negative taken by Dallas Times Herald staff photographer Bill Beal. This image shows the crowd gathered on Main Street awaiting the presidential motorcade. The image was taken from a balcony at the Adolphus Hotel.

Original black and white photographic negative taken by an unidentified Dallas Times Herald staff photographer. This image shows some of the crowd outside Parkland Hospital on November 22, 1963.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination - between 12:30 and 1 p.m. This image shows the crowd gathered at the entrance to the Texas School Book Depository. The Dal-Tex building, located at 501 Elm Street, can be seen in the background, on the other side of Houston Street.

Original black and white photographic negative taken by Dallas Times Herald staff photographer William Allen Friday afternoon after the assassination - between 12:30 and 1 p.m. This image shows a crowd gathered in front of the Texas School Book Depository. Police officers and police motorcycles appear in the midst of bystanders around the southeast corner of the building; the crowd has spilled off the sidewalk into the intersection of Houston and Elm streets. Signs listing the publishers who leased space in the building can be seen on the south and east sides of the building's corner.