English: *Original source: Screenshot from Universal Newsreel dated September 9, 1967.

• Immediate source: Silver Screen Reflex blog on Wordpress.

English: Produced and distributed by Universal Studios.

English: According to Archives.gov: "In 1974, Universal Newsreel deeded its edited newsreel and outtake collection to the United States through the National Archives (NARA), without copyright restrictions, although users should be aware that some stories may contain other underlying intellectual property or proprietary use rights." An underlying copyrightable element in this video may have been, e.g., a song that Bell played on the guitar; the screenshot itself was the intellectual property of Universal Newsreels and is effectively public domain.