Columbia subject headings:
Gladkov, Fedor, 1883-1958.
Gorky, Maksim, 1868-1936.
Harvard subject headings:
Gladkov, Fedor, 1883-1958
Gorky, Maksim, 1868-1936
Princeton subject headings:
Gladkov, Fedor, 1883-1958.
Gorky, Maksim, 1868-1936.