"Roadside America review of Grissom Museum"

“Grissom page at Astronaut Memorial Foundation”

“Virgil Ivan Grissom at Arlington National Cemetery”

“Detailed Biographies of Apollo I Crew - Gus Grissom - NASA”

“Indiana Historical Society tribute to Gus Grissom”

“If we die we want people to accept it. We are in a risky business, and we hope that if anything happens to us, it will not delay the program. The conquest of space is worth the risk of life. Our God-given curiosity will force us to go there ourselves because in the final analysis, only man can fully evaluate the moon in terms understandable to other men.”