Columbia subject headings:
Authors, Polish--19th century--Biography.
Gaszyński, Konstanty, 1808-1866--Friends and associates.
Krasiński, Zygmunt, 1812-1859--Friends and associates.
Harvard subject headings:
Authors, Polish--19th century.
Krasiński, Zygmunt, 1812-1859--Criticism and interpretation.
Princeton subject headings: