Columbia subject headings:
Borkovskiĭ, V. I. (Viktor Ivanovich), 1900-1982.
Slavic languages--Dialects.
Slavic languages--History.
Harvard subject headings:
Borkovskiĭ, V. I. (Viktor Ivanovich), 1900-1982
Borkovskiĭ, V. I. (Viktor Ivanovich), 1900-1982.
Slavic languages--Dialects
Slavic languages--History
Princeton subject headings:
Borkovskiĭ, V. I. (Viktor Ivanovich), 1900-1982.
Slavic languages--Dialects.
Slavic languages--History.