Columbia subject headings:
Boĭko, I︠U︡riĭ--Bibliography.
Critics--Ukraine--Bibliography.
Historians--Ukraine--Bibliography.
Harvard subject headings:
Boĭko, I︠U︡riĭ--Bibliography.
Critics--Ukraine--Bibliography.
Historians--Ukraine--Bibliography.
Princeton subject headings:
Boĭko, I︠U︡riĭ--Bibliography.