Miss Mary Blandy's own account of the affair between her and Mr. Cranstoun : from the commencement of their acquaintance in the year 1746 to the death of her father in August 1751, with all the circumstances leading to that unhappy event : to which is added an appendix containing copies of some original letters now in possession of the editor, together with an exact relation of her behaviour whilst under sentence, and a copy of the declaration signed by herself in the presence of two clergymen two days before her execution