Columbia subject headings:
Authors, Ukrainian--19th century--Correspondence.
Fedʹkovych, I︠U︡riĭ, 1834-1888--Correspondence.
Harvard subject headings:
Authors, Ukrainian--19th century--Correspondence.
Fedʹkovych, I︠U︡riĭ, 1834-1888--Correspondence.
Princeton subject headings:
Authors, Ukrainian--19th century--Correspondence.
Fedʹkovych, I︠U︡riĭ, 1834-1888--Correspondence.