Columbia subject headings:
Ligne, Charles Joseph, prince de, 1735-1814--Correspondence.
Princes--Austria--Correspondence.
Princes--Belgium--Correspondence.
Harvard subject headings:
Europe--History--1789-1815--Sources.
Ligne, Charles Joseph, prince de, 1735-1814--Correspondence.
Princes--Austria--Correspondence.
Princes--Belgium--Correspondence.
Princeton subject headings:
Europe--History--1648-1789.
Europe--History--1789-1815.
Ligne, Charles Joseph, prince de, 1735-1814.
Nobility--France--Biography.