Columbia subject headings:
Elizabeth II, Queen of Great Britain, 1926---Art collections.
Poussin, Nicolas, 1594?-1665.
Harvard subject headings:
Elizabeth II, Queen of Great Britain, 1926---Art collections--Exhibitions.
Elizabeth II, Queen of Great Britain, 1926---Art collections.
Poussin, Nicolas, 1594?-1665--Exhibitions.
Poussin, Nicolas, 1594?-1665.
Windsor Castle. Royal Library--Exhibitions.
Princeton subject headings:
Elizabeth II, Queen of Great Britain, 1926-2022--Art collections--Exhibitions.
Poussin, Nicolas, 1594?-1665--Exhibitions.
Windsor Castle. Royal Library--Exhibitions.