A form letter, describing enclosures (missing): a standard vocabulary, including words of Catherine the Great; a list of verb forms and sentences; and a list of tribes and languages arranged by Albert Gallatin. Recommends use of Pickering orthography.
Note: 'papers which were lost in the trunk no. 28 found on the S. side of the river 3 or 4 miles above Manchester and returned to me by Mr. Jefferson July 2, 1809.'