Illustrated History of Plumas, Lassen and Sierra Counties, San Francisco, 1882, S. 208 (online: Illustrated History)
google.de
books.google.de
John Burke, Bernard Burke: A Genealogical and Heraldic History of the Extinct and Dormant Baronetcies of England, 1838, S. 50–52.
jstor.org
links.jstor.org
Leslie A. White: Lewis H. Morgan's Western Field Trips. In: American Anthropologist, New Series, Vol. 53, No. 1 (Jan. – Mar., 1951), S. 11–18, hier S. 15, (online bei JStor)
kancoll.org
Josiah Gregg: Commerce of the Prairies – or The journal of a Santa Fè trader – during eight expeditions across the great western prairies, and a residence of nearly nine years in northern Mexico. H.G. Langley, New York 1844, Band 2, Kapitel 9 (auch online: Commerce of the Prairies)
Francis Parkman: The California and Oregon Trail – being sketches of prairie and Rocky Mountain life. New York, Putnam Publishing, 1849, Ch. X (online: California and Oregon Trail)
Francis Parkman: The California and Oregon Trail – being sketches of prairie and Rocky Mountain life. New York, Putnam Publishing, 1849, Ch. X (online: California and Oregon Trail)