Original title pages read: Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20, by order of the Hon. J.C. Calhoun, Sec'y of War, under the command of Major Stephen H. Long. From these notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party. Compiled by Edwin James, botanist and geologist for the expedition. In two vols., with an atlas ... Philadelphia, H.C. Carey and I. Lea ... 1823. "Astronomical and meteorological records and vocabularies of Indian languages, taken on the expedition for exploring the Mississippi and its western waters, under the command of Major S.H. Long, of the United States' topographical engineers, in 1819 and 1820. Philadelphia, 1822": lxxxviii p. at end of v. 2. Facsim. does not include map for Mississippi western section.