PBS
Pbs: Archives of the West: Across the Plains in 1844
A memoir by Catherine Sager Pringle, one of the orphans who was taken in by Marcus and Narcissa Whitman. Find out about the journey on the Oregon Trail and 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.