James's Account of S. H. Long's expedition, 1819-1820

"Preliminary notice reprinted from ... Philadelphia edition, 1823. Text reprinted from ... London edition, 1823."--v. 14, p. [29].
"Calculations of observations by Long and Swift reprinted from ... Philadelphia edition, 1823; Vocabularies of Indian languages, by Say, reprinted from ... Philadelphia edition, 1823."--v. 17, p. [9].
Includes facsimile of t.-p. of 1823 London edition with title: Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819, 1820. By order of the Hon. J. C. Calhoun, Secretary of War, under the command of Maj. S. H. Long of the U.S. Top. Engineers. Compiled from the notes of Major Long, Mr. T. Say, and other gentlemen of the party.
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