"A Key to Scripture; being an Enquiry into the Order of Chapters of the Qur'ān" - a handwritten manuscript documenting the author's investigation into the chronological order of the chapters of the Qur'ān. He presents an introduction to his thesis, followed by a Synopsis of the Classes, Sections and Chapters; with further sections on the Distinctive Characters of the chapters, the Distribution and Arrangement of the Makka chapters; and On the Determination of the Madina Years and their chapters. These chapters are handwritten on foolscap sheets covering 132 pages of the volume.