Columbia subject headings:
Crimea (Ukraine)--Civilization--Congresses.
Markevich, Arseniĭ, 1855-1942--Congresses.
Harvard subject headings:
Crimea (Ukraine)--Civilization--Congresses.
Markevich, Arseniĭ, 1855-1942--Congresses.
Princeton subject headings:
Crimea (Ukraine)--History--Congresses.
Markevich, Arseniĭ, 1855-1942--Congresses.