Columbia subject headings:
Circus performers--Russia (Federation)--Biography.
Kio, Igorʹ Ėmilʹevich, 1944-2006.
Magicians--Russia (Federation)--Biography.
Harvard subject headings:
Circus performers--Russia (Federation)--Biography.
Kio, Igorʹ Ėmilʹevich, 1944-
Magicians--Russia (Federation)--Biography.
Princeton subject headings:
Kio, Ėmilʹ Ėmilʹevich, 1938-
Kio, Ėmilʹ Teodorovich, 1894-1965.
Kio, Igorʹ Ėmilʹevich, 1944-2006.
Magicians--Soviet Union--Biography.