Columbia subject headings:
Kot︠s︡i︠u︡bynsʹkyĭ, Mykhaĭlo, 1864-1913--Contemporaries--Correspondence.
Harvard subject headings:
Authors, Ukrainian--19th century--Correspondence.
Kot︠s︡i︠u︡bynsʹkyĭ, Mykhaĭlo, 1864-1913--Contemporaries.
Kot︠s︡i︠u︡bynsʹkyĭ, Mykhaĭlo, 1864-1913--Correspondence.
Princeton subject headings:
Kot︠s︡i︠u︡bynsʹkyĭ, Mykhaĭlo, 1864-1913--Contemporaries--Correspondence.