productive and influential historians in the history of the state." Honors and awards Thornbrough was awarded an honorary doctorate from Indiana University in 1982. The Indiana Magazine of History'''s annual Thornbrough award, a tribute to Gayle, her sister, Emma Lou, and their contributions to the historical profession, recognizes the best article to appear in its pages. The Indiana Association of Historians' annual fall lecture was renamed to honor the Thornbrough sisters. Selected works The Buffalo Trace by George R. Wilson and Gayle Thornbrough (Indianapolis: Indiana Historical Society, 1963), Indiana Historical Society Publications, Volume XV, Number 2 Documentary editing projects The Correspondence of John Badollet and Albert Gallatin, 1804–1836 (Indianapolis: Indiana Historical Society, 1963), Indiana Historical Society Publications, Volume 22 The Diary of Calvin Fletcher (Indianapolis: Indiana Historical Society, 1972–1983), 9 volumes A Friendly Mission: John Candler’s Letters from America, 1853–1854 (Indianapolis: Indiana Historical Society, 1951), Indiana Historical Society Publications, Volume XVI, Number 1 Governor James Brown Ray: Messages and Papers, 1825–1831 (Indianapolis: Indiana Historical Bureau, 1954), Indiana Historical Collections, Volume XXXIV Indiana Election Returns, 1816–1851 (Indianapolis: Indiana Historical Bureau, 1960), Indiana Historical Collections, Volume XL Journals of the General Assembly of Indiana Territory, 1805–1815 (Indianapolis: Indiana Historical Bureau, 1950), Indiana Historical Collections, Volume XXXII Letter Book of the Indiana Agency at Fort Wayne, 1809–1815 (Indianapolis: Indiana Historical Society, 1961), Indiana Historical Society Publications, Volume 21 Messages and Paper relating to the Administration of Noah Noble, Governor or Indiana, 1831–1837 (Indianapolis: Indiana Historical Bureau, 1958) Indiana Historical Collections, Volume XXXVIII Messages and Paper relating to the Administration of Samuel Bigger, Governor or Indiana, 1840–1843 (Indianapolis: Indiana Historical Bureau, 1964) Indiana Historical Collections, Volume XLIV Outpost on the Wabash, 1787–1791; Letters of Brigadier General Josiah Harmar and Major John Francis Hamtramck, and other letters and documents selected from the Harmar papers in the William L. Clements Library (Indianapolis: Indiana Historical Society, 1957), Indiana Historical Society Publications'', Volume 19 References Sources Butler University alumni Indiana Historical Society University of Michigan alumni 1914 births 1999 deaths American women historians 20th-century American historians 20th-century American women writers Historians from Indiana