Columbia subject headings:
Cytadela Warszawska (Warsaw, Poland)
Poland--History--Revolution, 1863-1864.
Zulinski family--Political activity.
Żulinski, Roman, 1834-1864--Imprisonment.
Harvard subject headings:
Cytadela Warszawska (Warsaw, Poland)
Poland--History--Revolution, 1863-1864
Żuliński family.
Żuliński, Roman, 1837-1864--Correspondence.
Princeton subject headings: