Material relating to the life of Dr. Dionysius Lardner, possibly Dion Boucicault's biological father, including Material relating to the life of Dr. Dionysius Lardner, possibly Dion Boucicault's biological father, including. Item 1 -- a receipt from the Parliament Office for photographic prints of the "Lardner Divorce Proceedings 1839", dissolving Lardner's marriage to his first wife, Cecilia Flood; a pencilled note indicates that Calthrop sent these prints to Albert Johnson;. Item 2 -- in 1840 Lardner eloped with Captain Richard Heaviside's wife, Mary Spicer Heaviside; there are handwritten notes taken by Calthrop from the "Annual Register 1840" at Bromley Reference Library regarding the court proceedings in the case Heaviside v. Lardner, and notes about the elopement, confrontation between the two men, and subsequent marriage between Lardner and Mary;. Item 3 -- copy of the marriage certificate of Dionysius Lardner and Mary Spicer in France, 1846;. Item 4 -- 2 letters from a French archivist responding to a request for help to find Dionysius Lardner's last will -- he refers Calthrop to a different source;. Item 5 -- 4 . Items of correspondence regarding Calthrop's attempts to locate Lardner's will, including 2 letters from a London solicitor, 1 letter from a French solicitor, and a transcript of a letter by Calthrop;. Item 6 -- copy of Dionysius Lardner's will, made in 1862, translated from the French (copy possibly obtained from Archives de la Seine). Item 7 -- a letter from the British Vice-Consul in Paris, dated March 27, 1963, informing Calthrop that no person of the name of Lardner is currently listed in the Paris phone directory; she also informs him that two marriages of people named Lardner are recorded at the British Embassy, namely D. Lardner and M. Spicer (1846), and S. Lardner and Baron H. L. W. C. G. von Ziegesar (1871), and that transcripts can be obtained from Somerset House;. Item 8 -- certified copy of the register of the marriage between "Susan Lardner, British Subject, of New York" and "Hermann Lewis William Charles George Baron von Ziegesar of the Parish of Dietz in the Duchy of Nassau, Germany", on 14th October 1871;. Item 9 -- a page of notes by Christopher Calthrop mentioning references to Dionysius Lardner in the diaries of William Charles Macready, who was a friend of Lardner's. The notes also mention a supposed novel by Boucicault titled The Adventures and Works of Hugh Darley, but it seems that Caslthrop was unable to find a copy. 1839-1876