Columbia subject headings:
Novgorodov, S. A. (Semen Andreevich), 1892-1924.
Yakut language.
Harvard subject headings:
Novgorodov, S. A. (Semen Andreevich), 1892-1924.
Yakut language.
Yakut literature--History and criticism.
Princeton subject headings:
Novgorodov, S. A. (Semen Andreevich), 1892-1924.
Yakut language.