Columbia subject headings:
I︠A︡unzem, Irma, 1897-1995.
Singers--Russia (Federation)--Biography.
Singers--Soviet Union--Biography.
Harvard subject headings:
Princeton subject headings:
I︠A︡unzem, Irma, 1897-1995.
Singers--Russia (Federation)--Biography.
Singers--Soviet Union--Biography.