Columbia subject headings:
Harvard subject headings:
Aeronautics--Soviet Union--Biography.
Kondrati͡uk, I͡Uriĭ Vasilʹevich, 1897-1941--Fiction.
Kondrati︠u︡k, I︠U︡riĭ Vasilʹevich, 1897-1941.
Princeton subject headings:
Fiction.
Kondrati︠u︡k, I︠U︡riĭ Vasilʹevich, 1897-1941--Fiction.