Columbia subject headings:
Historians--Russia--Biography.
Historians--Ukraine--Biography.
Kostomarov, N. I. (Nikolaĭ Ivanovich), 1817-1885.
Nationalism--Ukraine--History--19th century.
Nationalists--Ukraine--Biography.
Harvard subject headings:
Historians--Russia--Biography
Historians--Ukraine--Biography
Kostomarov, N. I. (Nikolaĭ Ivanovich), 1817-1885
Nationalism--Ukraine--History--19th century.
Nationalists--Ukraine--Biography
Princeton subject headings:
Historians--Ukraine--Biography.
Kostomarov, N. I. (Nikolaĭ Ivanovich), 1817-1885.
Nationalism--Ukraine--History--19th century.
Nationalists--Ukraine--Biography.