Nathaniel Jarvis Wyeth organized and led two expeditions to the fur country, with the purpose of establishing a fur trapping business to compete with the entrenched companies.
Wyeth's papers were originally published as:
The correspondence and journals of Captain Nathaniel J. Wyeth, 1831-6. Eugene, Ore., University Press, 1899. (Sources of the History of Oregon: v. 1, pts. 23-6)
A more recent edition is: The Journals of Captain Nathaniel J. Wyeth's Expeditions to the Oregon Country 1831-1836. Don Johnson, ed. Fairfield, Washington. Ye Galleon Press. 1984