found: Her Secret history; or, The horrors of St. Domingo, 1808: t.p. (Lady at Cape Francois)
found: Her Laura, 1809: t.p. (Lady of Philadelphia)
found: Her Zelica, the Creole, 1820: t.p. (American)
found: RLIN, March 17, 2003 (hdg.: Sansay, Leonora; Hassal, Mary)
found: Dict. of literary biog. v. 200 American women prose writers to 1820, 1999 (Leonora Sansay, ?-after 1823; author of Secret history, or The horrors of St. Domingo, Laura, and Zelica, the Creole; likely the daughter, possibly named Mary, of William Hassall, a Philadelphia innkeeper; married Louis Sansay between 1797 and 1800; maintained a relationship with Aaron Burr until 1817)
found: FamilySearch, March 17, 2003 (Mary Hassell; b. 12 Nov. 1781 dau. of William and Rose Hassell; christened 18 Nov. at Saint Joseph's, Philadelphia)
found: MWA/NAIP files (hdg.: Sansay, Leonora, b. 1781; note: William Hassell, innkeeper, is listed in various Philadelphia directories during the 1780s and 1790s)