The Expeditions of Zebulon Montgomery Pike
Elliott Coues
Audubon and His Journals; Volume 2
Fur-Bearing Animals
Citizen Bird
Audubon and His Journals; Volume 1
The standard natural history
Audubon and his Journals
History of the Expedition Under the Command of Lewis and Clark
Forty Years a Fur Trader on the Upper Missouri; The Personal Narrative of Charles Larpenteur, 1833-1872; Volume 1
In Memoriam, Sergeant Charles Floyd
On the Trail of a Spanish Pioneer
Birds of the Northwest
Kuthumi
Birds of the Colorado Valley
Key to North American birds
History of the Lewis and Clark Expeditio
History of the Lewis and Clark Expedition, Vol. 1
New Light on the Early History of the Greater Northwest. The Manuscript Journals of Alexander Henry ... and of David Thompson ... 1799-1814. ... Missouri and Columbia Rivers; Volume 3
The Expeditions of Zebulon Montgomery Pike, to Headwaters of the Mississippi River, Through Louisiana Territory, and in New Spain, During the Years 1805-6-7; Volume 1
New Light on the Early History of the Gr
New Light on the Early History of the Greater Northwest. the Manuscript Journals of Alexander Henry ... and of David Thompson ... 1799-1814. Exploration and Adventure among the Indians on the Red, Saskatchewan, Missouri and Columbia Rivers
History of the Expedition under the Comm
History of the Expedition under the Command of Lewis and Clark
Expeditions of Zebulon Montgomery Pike,
Expeditions of Zebulon Montgomery Pike, to Headwaters of the Mississippi River, Through Louisiana Territory, and in New Spain, During the Years 1805-6-7; Volume 2
