Columbia subject headings:
Harvard subject headings:
Nauchnai︠a︡ biblioteka im. A.M. Gorʹkogo (Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova)
Princeton subject headings:
Nauchnai︠a︡ biblioteka im. A.M. Gorʹkogo (Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova)