Columbia subject headings:
Harvard subject headings:
Lotman, I︠U︡. M. (I︠U︡riĭ Mikhaĭlovich), 1922-1993--Correspondence.
Russian literature--History and criticism
Princeton subject headings:
Lotman, I︠U︡. M. (I︠U︡riĭ Mikhaĭlovich), 1922-1993--Correspondence.
Russian literature--History and criticism.