 They also show that in addition to his thorough knowledge of the classics of English literature, Wimsey is familiar – though in fundamental disagreement – with the works of Karl Marx, and well able to debate with Marxists on their home ground.Some of the letters included in "The Wimsey Papers" were used by Jill Paton Walsh as the preface for her own novel "A Presumption of Death", an authorized sequel continuing the Wimsey series where Sayers left it off.The letters provided much information which Walsh used in the book