Columbia subject headings:
Leskov, N. S. (Nikolaĭ Semenovich), 1831-1895--Criticism and interpretation--Congresses.
Harvard subject headings:
Leskov, N. S. (Nikolaĭ Semenovich), 1831-1895--Criticism and interpretation--Congresses.
Princeton subject headings:
Leskov, N. S. (Nikolaĭ Semenovich), 1831-1895--Criticism and interpretation--Congresses.