The 150th Anniversary Symposium of the Whitman Tragedy Collection, which dates from circa 1997,consists of a program, newspaper clippings, a photograph album, and video recordings from the 150th anniversary symposium of the Whitman Incident held at Whitman College in 1997.

Neta Lohnes Frazier was born in Owosso, Michigan on April 18, 1890, and published over fifteen volumes during her career as a writer. The Neta Lohnes Frazier Papers houses manuscripts, drawings, and supplementary material for the published works of Neta Frazier, most of which concern Marcus and Narcissa Whitman and the history of the Walla Walla, Washington area.

The Ginera Whitman Lutz Collection on Marcus and Narcissa Whitman contains materials related to Marcus and Narcissa Whitman, compiled by Ginera Whitman Lutz, great-great grandniece of Marcus Whitman.

The Mary Carr Moore Papers, which dates from 1911 to 1986, contains materials related to Mary Carr Moore, an American composer. The collection consists of material related to the opera entitled “The Cost of Empire,” and several published songs, operas, scores, and chamber works.

The Rhoda Scott Collection of Marcus and Narcissa Whitman letters contain four original letters written by the Whitmans to family and friends.

The Erwin Thompson papers collection consists most notably of research material for his book “Shallow Grave at Waiilatpu," notes, photographs, and diaries. This collection, which dates from 1950 to 1998, also contains maps and other ephemera related to his published works.

The Whitman Centennial, Incorporated Records contains materials from and information about the Whitman Centennial celebration. The celebration was held from August 13 to August 16, 1936 to mark the 100th anniversary of the Whitmans’ arrival to Waiilatpu, near modern day Walla Walla, Washington.

The Marcus and Narcissa Whitman collection contains materials related to Dr. Marcus Whitman and his wife, Narcissa Prentiss Whitman, who arrived in the Walla Walla Valley in 1836 where they established the Waiilatpu Mission and lived until they were massacred in 1847.

The Whitman Mission National Historical Site Collection, which dates from 1947 to 1987, contains materials related to the Whitman Mission Historical Site, a memorial for Marcus and Narcissa Whitman and their impact on the Oregon Trail and the Native American population. The collection contains informational booklets, newspaper clippings, correspondence, and an academic paper entitled "Whitman Mission Overview.”

The Ross Woodbridge Papers contains correspondence, personal notes, photographs, and research regarding Marcus and Narcissa Whitman and their life in Walla Walla, Washington. Thomas Ross Woodbridge was a historian and a scholar of the Whitmans and the Whitman Mission.