 First to Fly සංරක්ෂණය කළ පිටපත 2 පෙබරවාරි 2009 at the Wayback MachineGagarin's photosObituary, NY Times, 28 March 1968 Yuri Gagarin Killed As Test Plane Falls(රුසියානු) Юрий Гагарин. Дорога в космос — his book in Russian (HTML)(රුසියානු) Photo, Audio and Video with Yuri Gagarin සංරක්ෂණය කළ පිටපත 14 ජූනි 2006 at the Wayback Machine, online version of CD created to his 70th anniv. on the homepage of Russian state archive for scientific-technical documentation (RGANTD).(රුසියානු) Article in online Encyclopedia of cosmonautics සංරක්ෂණය කළ පිටපත 5 සැප්තැම්බර් 2006 at the Wayback Machine A lot of information about the first human's flight to space.(රුසියානු) Gagarin's flight 3D visualization — contains the real record of his conversation with the Earth during the spaceflight(රුසියානු) Annotated transcript of Gagarin's radio conversations with ground stations, starting 2hrs (4:10 UTC) before launch සංරක්ෂණය කළ පිටපත 18 දෙසැම්බර් 2008 at the Wayback MachineGagarin — detailed biography