Columbia subject headings:
Colonels--Romania--Biography.
Pleșoianu, Nicolae, 1815-1859.
Revolutionaries--Romania--Biography.
Romania--History--Revolution, 1848.
Harvard subject headings:
Pleșoianu, Nicolae, 1815-1859.
Romania--History--1821-1859.
Wallachia--History--19th century.
Princeton subject headings:
Pleșoianu, Nicolae, 1815-1859.
Romania--History--1821-1859.
Wallachia--History--19th century.