Letters of the Lewis and Clark Expedition, with Related Documents, 1783-1854.
Urbana, (IL): U. of Illinois Press, (c1978). Second edition, with additional documents and notes. 8vo. 2 volumes: xxxi, 376; (4), 377-806 pp. Illustrated, plates, facsimile, endpaper maps. Editor's preface: "In matters related directly to the planning and completion of the expedition, I have attempted to present all the extant non-journal..... More