This primary source comes from the Records of the National Aeronautics and Space Administration.
Full Citation: 'Holmes Reveals Moon Safari Plan' Marshall Star, Volume 2, Number 27; 4/4/1962; Marshall Star, Volume 2, 1960 - 2006; Marshall Star, 1960 - 2006; Records of the National Aeronautics and Space Administration, Record Group 255; National Archives at Atlanta (RE-AT), Morrow, GA. [Online Version, https://www.docsteach.org/documents/document/holmes-reveals-moon-safari-plan-marshall-star-volume-2-number-27, April 28, 2024]