1. Introduction -- I. Previous exploration -- a. Spain -- b. New France -- c. England -- d. Missouri river expeditions -- e. French traders and trappers -- f. Jefferson's dream -- g. Proposition to G.R. Clark -- h. Ledyard's project -- i. Armstrong's attempt -- j. The Michaux plan -- k. On the northwest coast -- l. Congressional aid secured -- II. Meriwether Lewis -- a. Early years -- b. Military experiences -- c. Selected to command expedition -- d. In training -- III. William Clark -- a. A notable family -- b. Military services -- c. Lewis's invitation -- The expedition -- a. The Louisiana purchase -- b. Personelle -- c. At river Dubois camp -- d. The first season -- e. At fort Clatsop -- f. The return -- IV. The story of Lewis and Clark journals -- a. Jeffersons' concern -- b. The various journals -- c. Journalizing methods -- d. The first news -- e. Gass's journal -- f. Lewis prospectus, 1807 -- g. Delayed by public duties -- h. Lewis's death.

i. Clark engages Biddle -- j. Biddle at work -- k. Wanted: a publisher -- l. A publisher found -- m. Paul Allen's revision -- n. A profitless undertaking -- o. Difficulty of Biddle's task -- p. Barton's proposed work -- q. A successful paraphrase -- r. Jefferson dissatisfied -- s. Jefferson's search for original journals -- t. Biddle surrenders note-books -- u. Used by Coues -- v. Coues's report on Codices -- w. Philosophical society concludes to publish -- x. Search for Ordway journal -- y. The Voorhis collection -- z. Clark journals -- aa. Miscellaneous material -- bb. Maps -- cc. An interesting Query -- dd. Neglected manuscripts -- ee. Pryor, Floyd, Frazier, and Woodhouse journals -- ff. All records now in sight -- gg. A new view of Lewis and Clark -- hh. Editorial problems -- ii. Acknowledgments.

2. Bibliographical data -- I. Introductory -- II. Jefferson's message -- III. Counterfeit publications -- IV. Gass -- V. Genuine history -- VI. Miscellanea. 3. The original journals of captains Meriwether Lewis and William Clark -- I. From river Dubois to the Platte -- II. From the Platte to Vermillon river -- III. From the Vermillon to Teton river -- IV. From Teton river to the Mandans -- V. Among the Mandans -- VI. From fort Mandan to the Yellowstone -- VII. From the Yellowstone to the Musselshell.

Vol 2 VIII. From the Yellowstone to the Musselshell (part 2) -- IX. From the Musselshell to Maria's river -- X. Form Maria's river to the great falls of the Missouri -- XI. Portaging around the great falls -- XII. From the great falls to the three forks -- XIII. From the three forks of the Missouri to Beaver's Head -- XIV. From Beaver's Head to the great divide -- XV. Crossing the great divide.

Vol 5 XXVII. From Walla Walla river to Lawyer's Canon creek -- XXVIII. Encamped on the upper Kooskooske -- XXIX. In the bitter root mountains -- XXX. Lewis's short-cut to the Missouri, and exploration of Maria's river -- XXXI. Clark's exploration of the Yellowstone -- XXXII. From the little Missouri to White river -- XXXIII The home stretch.

Vol 6 I. Geography -- A. Courses and distances -- B. Lewis's summary view of rivers and creeks, etc -- C. Clark's summary statement of rivers, creeks, and most remarkable places -- II. Ethnology -- A. Estimate of the Eastern Indians -- B. Estimate of the Western Indians -- III. Zoology -- Note by Witmer Stone -- IV. Botany -- A. Notes by William Trelease and Stewardson Brown -- V. Mineralogy -- Note by Edwin H. Barbour -- VI. Meteorology -- Observations of Thermometer, and notes on weather, winds, frost, snow, ice, drift-wood, stages of river water, and appearance and disappearance of plants, insects, birds, and animals -- VII. Astronomy -- Descriptions of instruments, and observations -- VIII. Miscellaneous memoranda -- Notes on geography, British and American fur-trade, economic geology, financial operations, ethnology, presents for Indians, stores, and specimens and articles returned by the expedition.

Vol 7 1. The original journal of sergeant Charles Floyd -- I. From river Dubois to the Platte -- II. From the Platte to the Oto council -- 2. The original journal of private Joseph Whitehouse -- I. Fron river Dubois to the Platte -- II. From the Platte to Vermillon river -- III. From the Vermillon to Teton river -- IV. From Teton river to the neighborhood of the Mandans -- V. Among the Mandans -- VI. From near Martha's river to the Musselshell -- VII. From the Musselshell to Maria's river -- VIII. From Maria's river to the great falls of the Missouri -- IX. Portaging around the great falls -- X. From the great falls to the three forks -- XI. From the three forks of the Missouri to the Beaver's Head -- XII. From the Beaver's Head to the great divide -- XIII. Crossing the great divide, and searching for navigable waters -- XIV. Down the Lolo trail -- XV. The rapids of the Snake and Columbia -- XVI. Descending the Columbia to tidewater -- XVII. From the rapids to Cape Horn XVIII. Distances and latitudes 3. Appendix (letters).

Vol 8 Atlas -- Introduction / Reuben Gold Thwaites -- List of maps. Maps. 1. The upper Mississippi, lower Ohio, and lower Missouri rivers -- 2. A topogr[aphical] sketch of the Missouri and upper Mississippi... -- 3. The upper Mississippi system... -- 4. the neighborhood of Camp River Dubois, 1803-04 -- 5. The Missouri, from St. Charles to Isle au Parish... -- 6. The Missouri, in South Dakota... -- 7. The Missouri from just below Antelope Creek to about the northern limit of Sully County, South Dakota.... -- 8. The Missouri, about 40 miles above the mouth of Cheyenne River -- 9. The region of the Arikara villages, on the Missouri... -- 10. The Missouri in North Dakota... -- 11. The Missouri, in the neighborhood of Fort Mandan... -- 12. Trail from the Mandans to the Yellowstone... -- 13. From the Mandans to the Rockies... -- 14. Parts 1-3. Sketch of the Missouri from Fort Mandan to the Rocky Mountains... -- 15. The Missouri from fort Mandan to above GooseEgg Lake -- 16. The Missouri from Goose Creek to White Earth River -- 17. The Missouri from White Earth River to twenty miles above Martha's River -- 18. The Missouri from Martha's River to just below Milk River -- 19. The Missouri from below Milk River to Pine Creek -- 20. The Missouri from Pine Creek to just below Mussleshell River -- 21. The Missouri from below Musselshell River to South Mountain Creek -- 22a. Junction of the (Mussel) shell and the Missouri -- 23. The Missouri from South Mountain Creek to Judith's River -- 24. The Missouri from Judith's River to Maria's River -- 25. The Missouri from the entrance of Maria's River to the Great Falls -- 26. Junction of Missouri and Medicine (Sun) Rivers -- 26a. Sketches of Great, Handsome, and Crooked falls -- 27. Gates of the Rocky Mountains -- 28. Missouri River--continuing map no. 27 ( in Atlas list Missouri River from Pryor's [Mitchell's] Creek) -- 29. Missouri River from Gass's (Hot Springs) Creek to Three Forks ; and Jefferson River to Philanthropy (Stinking Water) River -- 29a. Jefferson River from Philanthropy to the Forks -- 30. Parts 1-3. From Jeffersons River to the Forks of Kooskooske over the Rocky Mountains -- 31.Parts 1-2. The Kooskooskee, Lewis's (Snake), and upper reaches of Columbia rivers [in Atlas list [Sketch of Kooskooskee and Lewis's River] -- 32. Parts 1-3. Sketch of the Columbia River from the forks & the 19th of October 1805 to the 1st of Jany on the Pacific Ocean -- 33. Dalles of the Columbia (in Atlas list Rapids of the Columbia river) -- 34. The Columbia River, from the Cascades to Wappato Island -- 35. A medley of sketches -- 36. Sketch map of Haley's Bay -- 37.Lewis's sketch map of Vancouver's Island, Nootka Sound, etc. -- 38. Sketch-map of the mouth of Columbia River and Pacific Coast (in Atlas list Sketch-map of the mouth of Columbia River and the route of Clark) -- 39. Sketch map "given by a Clattsopp Ind.", showing the mouth of the Columbia -- 40. Sketch given by Indians at the Great Narrows of the Columbia -- 41. Sketch given by Cutnose, etc. showing Indian trails over the continental divide -- 42. Sketch by Hohastillpilp, showing Indian trails over the continental divide -- 43. Sketch obtained from Indians at Flathead River camp -- 44. Indian sketch-map of the lewis river system -- 45. Clark's route Bitteroot River to Forks of Jefferson -- 46. Sketch of Capt. Clarks rout Clark River to the head of Jeffersons River -- 47. Sketch-map of Gallatin and Madison Rivers, with Clark's trail to the Yellowstone -- 48. Indian trails, derived from native information, of a route from the Three Forks of the Missouri to the Yellowstone -- 49. The Yellowstone, from the place where Clark reached it to Stillwater Creek -- 50. The Yellowstone, from Rose [Stillwater] Creek to Pryor's river -- 51. The Yellowstone, from Pompey's Pillar to Little Wolf River (Van Horn Creek) -- 52. The Yellowstone, from Van Horn Creek to camping place -- 53. The Yellowstone, near its junction with the Missouri -- 54. Route of the Lewis and Clark Expedition.