Federico Garcia Lorca's Romancero Gitano, usually translated as Gypsy Ballads, is a collection of poems, about which Wikipedia says: All of the poems deal with the Romani people (gypsies) and their culture, but only as a theme used to carry the larger message that the poet was trying to conve...

Thomas Hardy’s ‘The Man He Killed’ (1902) was published in Time’s Laughingstocks (1909):     “Had he and I but met     By some old ancient inn, We should have sat us down to wet     Right many a nipperkin!     “But ranged as infantry,     And staring face to face, I shot at him...