Columbia subject headings:
Harvard subject headings:
Austria--History--19th century.
John, Archduke of Austria, 1782-1859.
Plochl, Anna Maria Josephine, Gräfin von Meran, 1804-1885.
Princeton subject headings:
John, Archduke of Austria, 1782-1859.
Nobility--Austria--Biography.
Plochl, Anna Maria Josephine, Gräfin von Meran, 1804-1885.
Women--Austria--Biography.