Columbia subject headings:
Krymskiĭ, A. E. (Agafangel Efimovich), 1871-1942.
Harvard subject headings:
Krymskiĭ, A. E. (Agafangel Efimovich), 1871-1942
Princeton subject headings:
Krymskii, Ahatanhel I︠U︡khmovych, 1871-1942.