Columbia subject headings:
Blessington, Marguerite, Countess of, 1789-1849.
Orsay, Dafred Guillaume Gabriel, comte d', 1801-1852.
Harvard subject headings:
Blessington, Marguerite, Countess of, 1789-1849.
Orsay, Alfred Guillaume Gabriel, comte d', 1801-1852
Princeton subject headings:
Blessington, Marguerite, Countess of, 1789-1849.
Orsay, Alfred Guillaume Gabriel, comte d', 1801-1852.