Columbia subject headings:
Gagarin, Yuri Alekseyevich, 1934-1968--In literature.
Gagarin, Yuri Alekseyevich, 1934-1968--In mass media.
Gagarin, Yuri Alekseyevich, 1934-1968. Doroga v Kosmos.
Russian literature--Themes, motives.
Harvard subject headings:
Astronauts--Soviet Union--Biography--History and criticism.
Gagarin, Yuri Alekseyevich, 1934-1968--In literature.
Gagarin, Yuri Alekseyevich, 1934-1968--In mass media.
Gagarin, Yuri Alekseyevich, 1934-1968. Doroga v Kosmos.
Russian literature--Themes, motives.
Princeton subject headings:
Gagarin, Yuri Alekseyevich, 1934-1968--In literature.
Gagarin, Yuri Alekseyevich, 1934-1968--In mass media.
Gagarin, Yuri Alekseyevich, 1934-1968. Doroga v Kosmos.
Russian literature--Themes, motives.