NUCMC data from Smithsonian Inst. Archives for His Papers, 1882-1965 (Lester Frank Ward, 1841-1913; U.S. Geological Survey paleontologist and geologist, 1882-1905; professor at Brown Univ., 1905-1913; honorary curator of Dept. of Fossils, United States National Museum; paleontologist, geologist, sociologist, and professor)
His Outlines of sociology, 1898 t.p. (Lester F. Ward)