RC (MHi); in Clark’s hand, unsigned; endorsed by TJ as a letter from “Anon. (? Gl Wm Clarke)” received 15 Mar. 1817 and so recorded in SJL. Enclosure: Nicholas Biddle to Clark, Andalusia, near Philadelphia, 21 Oct. 1816, advising Clark to agree to a proposal whereby he would relinquish to the assignees of the insolvent printing partnership of Bradford & Inskeep his claim on the books in press but retain the copyright and control of the copperplates used in printing; embedding the text of Biddle to Charles Chauncey, Andalusia, 25 June 1816, outlining for Clark’s legal counsel the account supplied by the assignees of Bradford & Inskeep, concluding that the profit owed to Clark is $395.93, suggesting that the debts due to the work are “unpromising,” and advancing the plan described above; also including the text of Thomas Astley to Chauncey, Philadelphia, 18 Sept. 1816, reiterating as an assignee of Bradford & Inskeep the accounting supplied by Biddle, correcting errors, concluding that Clark is owed $170.18½, agreeing to pay the debts due in connection with the work and release the copyright and copperplates to Clark, estimating their value as $600–700, and stipulating that no new edition is to appear for at least six months (Tr in ViU: Lewis-Marks Papers [microfilm; originals privately held]; FC in DLC: Biddle Papers, with placeholders for the two embedded letters; FC of Biddle-Chauncey letter and RC of Astley-Chauncey letter in NjP: Biddle Collection; printed as separate letters in Donald Jackson, ed., Letters of the Lewis and Clark Expedition with Related Documents [2d ed., 1978], 2:615–7, 621–3, 627).