Columbia subject headings:
Keith, Hester Maria Elphinstone, Viscountess, 1764-1857.
Harvard subject headings:
Keith, Hester Maria (Thrale) Elphinstone, viscountess, 1764-1857.
Keith, Hester Maria Elphinstone, Viscountess, 1764-1857
Princeton subject headings:
Keith, Hester Maria Elphinstone, Viscountess, 1764-1857.