John Uri. 50 Years Ago: One Small Step, One Giant Leap // NASA, 2019-07-19. Архивиран от оригинала на 2019-08-26. Посетен на 2019-08-26. The items included a silicon disc<...>, an Apollo 1 patch commemorating astronauts Virgil I. Grissom, Edward H. White, and Roger B. Chaffee lost in the 1967 fire, two Soviet medals honoring cosmonauts Vladimir M. Komarov killed in the Soyuz 1 accident and Yuri A. Gagarin<...>, and a small gold olive branch... (на английски)
John Uri. 50 Years Ago: One Small Step, One Giant Leap // NASA, 2019-07-19. Архивиран от оригинала на 2019-08-26. Посетен на 2019-08-26. The items included a silicon disc<...>, an Apollo 1 patch commemorating astronauts Virgil I. Grissom, Edward H. White, and Roger B. Chaffee lost in the 1967 fire, two Soviet medals honoring cosmonauts Vladimir M. Komarov killed in the Soyuz 1 accident and Yuri A. Gagarin<...>, and a small gold olive branch... (на английски)
