Columbia subject headings:
Russian language--Grammar, Comparative--Ukrainian.
Russian language--Style.
Ukrainian language--Grammar, Comparative--Russian.
Ukrainian language--Style.
Harvard subject headings:
Russian language--Grammar, Comparative--Ukrainian.
Russian language--Style.
Ukrainian language--Grammar, Comparative--Russian.
Ukrainian language--Style
Princeton subject headings:
Russian language--Grammar, Comparative--Ukrainian.
Russian language--Style.
Ukrainian language--Grammar, Comparative--Russian.
Ukrainian language--Style.