"Ruimtevaart." . . "Astronautics Russia." . . . . . . . . . . . . . "En vurdering af Ruslands rumforskning"@da . . . "En vurdering af Ruslands rumforskning : A.Pudry"@da . "Gagarin, first man in space"@en . . . . . . . "Cosmonaut Yuri Gagarin, first man in space"@en . "Cosmonaut Yuri Gagarin, first man in space" . . "Cosmonaut Yuri Gagarin : first man in space" . "Cosmonaut Yuri Gagarin : first man in space"@en . . . . . . . . . . "Cosmonaut Yuri Gagarin first man in space"@en . "Sovjet-Unie." . . "Russia." . . "Astronautics." . . . .