"Lux Radio Theater" broadcast a 60 minute radio adaptation of the movie onSeptember 22, 1941 with Merle Oberon, Edna May Oliver, Alan Marshal, Joseph Cotten and George Reeves reprising their film roles.
The poem Lydia and Bob quote at the ball is "The Night has a Thousand Eyes" by Francis William Bourdillon, a late Victorian English poet (1852-1921). The text is "The night has a thousand eyes,/ And the day but one;/ Yet the light of the bright world dies/ With the dying sun./ The mind has a thousand eyes,/ And the heart but one:/ Yet the light of a whole life dies. /When love is done."
The poem Richard finds and reads at the cottage is "Lalla-Rookh" (or Lala Rukh) written by Thomas Moore and published in 1817. In this poem, Lalla Rukh is the daughter of Aurangzeb, the Mughal emperor. She is promised in marriage to the King of Bactria but falls in love with a poet she meets on the way to the king's palace. When she arrives, she collapses but comes to when she hears a familiar voice. The poet with whom she fell in love turns out to have been the king is disguise.