valuable collection of manuscripts and papers went to Harvard University. His private library and his maps were bought by Cornell University. He was a pioneer in large-scale collecting of documentary material on American history. He rendered valuable services to historical scholarship in the United States. Works Other works by Sparks include: A sermon delivered at the ordination of the Rev. Jared Sparks, to the pastoral care of the First Independent Church in Baltimore. (1819) Memoirs of the Life and Travels of John Ledyard (1828); The Diplomatic Correspondence of the American Revolution (12 volumes, 1829–1830; redated 1854); Life of Gouverneur Morris, with Selections from his Correspondence and Miscellaneous Papers (3 volumes, 1832); A Collection of the Familiar Letters and Miscellaneous Papers of Benjamin Franklin (1833); The Works of Benjamin Franklin; with Notes and a Life of the Author (10 vols, 1836–1840; redated 1850), a work second in scope and importance to his Washington; Correspondence of the American Revolution; being Letters of Eminent Men to George Washington, from the Time of his taking Command of the Army to the End of his Presidency (4 volumes, 1853); He also edited the Library of American Biography, in two series (10 and 15 volumes, respectively, 1834–1838, 1844–1847), - - to which he contributed articles on the lives of Gen. "Mad" Anthony Wayne, Henry Vane the Younger, Ethan Allen, spy, Gen. Benedict Arnold, explorer Jacques Marquette, explorer René Robert Cavelier, Sieur de La Salle, Kazimierz Pulaski ("Count Pulaski"), Jean Ribault, Gen. Charles Lee and John Ledyard, the last a reprint of his earlier work. In addition, he aided Henry D. Gilpin in preparing an edition of the Papers of James Madison (1840), and brought out an American edition of William Smyth's Lectures on Modern History (2 volumes, 1841), which did much to stimulate historical study in the United States. Memorials Historian Francis Parkman dedicated his The Conspiracy of Pontiac (1851) to Sparks. Memorial plaques and historical displays with portraits of Channing, Sparks and others are shown in the historical exhibit area of the First Unitarian Church of Baltimore (Unitarian and Universalist). The congregation commemorates the annual anniversary of "The Baltimore Sermon" of May 5, 1819, on the first Sunday in May. Their "Union Sunday" features a sermon/homily/address by an invited speaker; it is attended by the ministers and members of the Unitarian churches in Maryland, along with other visiting ecumenical members of other local Christian churches,