The Wimsey Papers started flowing in, that the resiliency and true strength of Russia became apparent. 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: Peter Wimsey and his servant Bunter being on a secret mission abroad, Harriet Vane taking her own children and those of her sister-in-law Mary to the country house Talboys in Hertfordshire, Peter's nephew Jerry an RAF combat pilot,
Lord Peter Wimsey by the law at that time, to much scandal and the distress of his wife Helen. Their sister, Lady Mary, also falls under suspicion. Lord Peter clears the Duke and Lady Mary, to whom Parker is attracted. As a result of the slaughter of men in the First World War, there was in the UK a considerable imbalance between the sexes. It is not exactly known when Wimsey recruited Miss Climpson to run an undercover employment agency for women, a means to garner information from the otherwise inaccessible world of spinsters and widows, but it is prior to "Unnatural Death"