https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/charles-conrad-jr
Charles Conrad Jr | Encyclopedia.com
Charles Conrad Jr. 1930-1999 Source for information on Charles Conrad Jr: Science and Its Times: Understanding the Social Significance of Scientific Discovery...
charles conrad jrencyclopedia
https://www.nasa.gov/former-astronaut-charles-pete-conrad-jr/
Former Astronaut Charles "Pete" Conrad, Jr. - NASA
charles pete conrad jrformerastronautnasa