"National Gallery (Great Britain). Trustees." . . . . . "Hark! the herald angels sing : [carols for Christmas]" . . . . . "Hark! the herald angels sing"@en . "Hark! the herald angels sing" . . . . . "Hark! the herald Angels sing : [carols for Christmas]"@en . . . . . . . . . . . . . "Hark! The herald angels sing" . . .