Columbia subject headings:
Artists--Russia (Federation)--Biography.
Cartoonists--Soviet Union--Biography.
Efimov, Boris, 1899-2008.
Harvard subject headings:
Cartoonists--Russia (Federation)--Biography.
Efimov, Boris, 1900-
Princeton subject headings:
Artists--Russia (Federation)--Biography.
Cartoonists--Soviet Union--Biography.
Efimov, Boris, 1900-2008.