PBS
New Perspectives on the West: The Letters and Journals of Narcissa Whitman
A few pages from the journal of Narcissa Whitman who was a missionary in the Oregon Country. She was later murdered along with her husband at the Whitman massacre.
PBS
New Perspectives on the West: Marcus Whitman & Narcissa Whitman
PBS site detailing the Whitmans' journey to Oregon country, their establishment of a mission, and their death at the hands of the Indians. Also includes some background information.