Journals of the Lewis & Clark Expedition
(searchable journals, plus books and articles, images and maps, audio and video; be sure to listen to the audio from the Salish people)
Hosted by the University of Nebraska, Lincoln
Southwest Oregon Research Project (SWORP) Collection, 1850-1950
Hosted by Archives West: Orbis Cascade Alliance
Native American Documents Project
(19th-century reports of the Commissioners of Indian Affairs)
Hosted by California State University, San Marcos