Photograph of an aerial view of a suburban region of Dallas, Texas.

Photograph of an aerial overview of Maria Luna Park, formerly known as Maple Park. The grounds of the park features playground equipment, dirt baseball field with bleachers, and a tennis court. Residential and commercial buildings surround the park with streets separating the park from the surrounding urban environment.

Photograph of an aerial overview of the Kiest Park area and the neighboring residential structures. Key features of the park include ten (10) baseball fields, ten (10) soccer fields, and eight (8) tennis courts scattered throughout the park.

Photograph of an aerial overview of the Kiest Park area and the neighboring residential structures. Key features of the park include ten (10) baseball fields, ten (10) soccer fields, and eight (8) tennis courts scattered throughout the park.

Photograph of Deerpath Park and its surrounding area in Dallas, Texas. The park, which is located above a school, sits under the intersection of Garrison Street and Deer Path Drive and to the right of E Kiest Boulevard. Residential suburbs are visible above and to the right of the park.

Photograph of Anita Harris Phelps Park and the surrounding area in Dallas, Texas. The picture shows several blocks of medium to large buildings with many parking lots. Between the blocks, there are approximately five to ten roads.

Photograph of Cox Lane Park and its surrounding area in Dallas, Texas. The park, running vertically near the center of the picture, sits directly under Royal Lane. Part of Joes Creek is visible on the other side of this road, and the rest of the picture is filled with residential suburbs.

Photograph of Bachman Lake Park and its surrounding area located in Dallas, Texas. The park is visible around Bachman Lake near the center of the picture. Dallas Love Field sits to the left of the lake, and smaller buildings are shown to the right and in the distance. Cars drive along W Northwest Highway and intersecting roads on the right side of the park.

Photograph of Bachman Lake Park and its surrounding area located in Dallas, Texas. The park is visible around Bachman Lake in the center of the picture. Dallas Love Field is visible to the right of the lake, and smaller buildings sit to the left side. The lake is also surrounded by approximately three major roads to its left and front sides.

Photograph of Central Yard and its surrounding area in Dallas, Texas. Central Yard sits in the center of the photo, surrounded by subdivisions containing parking lots and buildings of varying sizes. Larger buildings are visible at the top of the picture, and railroads are visible to the right.

Photograph of Campbell Green Park and its surrounding area in Dallas, Texas. The park, which sits in the center of the picture, is located beneath Campbell Road, to the right of Meadowcreek Drive, and to the left of Hillcrest Road. Residential suburbs are visible above and to the left of the park. Some suburbs in construction sit to the right side of the park.

Photograph of Bachman Lake Park and its surrounding area located in Dallas, Texas. The park is visible around Bachman Lake near the center of the picture. Many buildings are visible near the lake, and Dallas Love Field sits to its right side. Cars drive along Harry Hines Boulevard, Denton Drive, and W Northwest Highway on the bottom and left sides of the lake.

Photograph of Bachman Lake Park and its surrounding area located in Dallas, Texas. The park is visible around Bachman Lake near the center of the picture. Dallas Love Field sits to the left of the lake, while smaller buildings are shown to the right and in the distance. Cars are seen driving along W Northwest Highway and intersecting roads to the right of Lake Bachman.

Photograph of Campbell Green Park and its surrounding area in Dallas, Texas. The park, which sits in the center of the picture, is located beneath Campbell Road, to the right of Meadowcreek Drive, and to the left of Hillcrest Road. Residential suburbs are visible above and to the left of the park. Some suburbs in construction sit to the right side of the park.

Photograph of Campbell Green Park and its surrounding area in Dallas, Texas. The park, which sits in the center of the picture, is located beneath Campbell Road, to the right of Meadowcreek Drive, and to the left of Hillcrest Road. Residential suburbs are visible above and to the left of the park. Some suburbs in construction sit to the right side of the park.

Photograph of Bitter Creek Park and its surrounding area in Dallas, Texas. The park is located at the lower middle of the picture along Big Thicket Drive and Bitter Creek Drive. Some residential areas are visible to the left and below the park, while a large area of land partially covered in trees is shown above the park. Masters Drive sits vertically on the left side of the photo.

Photograph of Bishop Flores Park and its surrounding area located in Dallas, Texas. The park sits near the center of the picture just below a railroad. Houses are visible to the left, and apartments are visible on the right. An area covered in dense trees sits below the park.

Subpoena signed by Henry Gonzales for the House Select Committee on Assassinations, requesting an examination of all materials related to the assassination of President John F. Kennedy.

Letter from David H. Martin to Dallas Police Chief, concerning the release of Dallas Police Department documents relating to the assassination of John F. Kennedy under the Freedom of Information Act.

Copy of a subpoena for Dallas Chief of Police, D. A. Byrd requesting that he appear before the House Select Committee on Assassinations with all evidence pertaining to the deaths of President Kennedy and J. D. Tippit, as well as investigation materials related to Lee Harvey Oswald and Jack Ruby. Signed by Vice Chairman Henry Gonzales on November 18, 1976.

Inventory list by V. C. Campbell compiled on November 10, 1976, concerning various forms of evidence pertaining to John F. Kennedy, Officer J. D. Tippit, Lee Harvey Oswald, and Jack Ruby.

Affidavit by Grant Lappin which states that he has presented a "true and exact copy of the original personnel jacket of Officer J. D. Tippit."

Letter from Chief D. A. Byrd to David H. Martin, regarding the release of materials related to the John F. Kennedy assassination.

Letter from Richard A. Sprague to Chief of Police Don Byrd, concerning a request to examine all material related to the assassination of President John F. Kennedy.