Salem, Oregon. Oregon State Library.

Vertical Files.

San Bruno, California. Federal Records Center, National Archives and Records Service.

Record Group 79, Records of the National Park Service. Western Region (Reg. IV), San Francisco, California.
Central Classified Files, 1923-42.
Central Files of the Regional Wildlife Technician, 1929-41.
Monthly Activities Report of Park Naturalists, 1935-53.
Resident Landscape Architect’s Report to the Chief Architect, 1927-40.
Vegetation Surveys, 1935-53.

Seattle, Washington. Federal Records Center, National Archives and Records Service.

Record Group 79, Records of the National Park Service.

Seattle, Washington. Manuscripts Collection, Henry Suzallo Library, University of Washington.

Friends of the Earth, Northwest Office, Records.
M. Brock Evans Papers.
Sierra Club, Northwest Office, Records.
William C. Ruegritz Papers.

Washington, D.C. History Division: Cultural Resources Management, Washington Office, National Park Service.

Park Archives.

Washington, D.C. National Archives and Records Service.

Record Group 48, Records of the Office of the Secretary of the Interior.
Central Classified Files, 1907-36.
Central Classified Files, 1937-53.
Central Classified Files, 1954-58.
Record Group 49, Records of the Bureau of Land Management.
General Land Office, Division “R,” National Forests.
Record Group 79, Records of National Park Service.
Central Files, 1907-39.
Central Classified Files, 1933-49.
Letters Received by the Office of the Secretary of the Interior Relating to National Parks, 1872-1907.
Records of the Office of the Chief Clerk of the Department of the Interior, 1887-1916.

Of the various manuscript sources researched for this study, the most useful were those at Crater Lake National Park, the National Park Service Historical Collection at Harpers Ferry Center, the Federal Records Centers at San Bruno and Seattle, and the National Archives in Washington, D.C.

PUBLISHED WORKS: Books

Albright, Horace M. The Birth of the National Park Service: The Founding Years, 1913-33. Salt Lake City, 1985.

_______, and Taylor, Frank J. “Oh Ranger!: A Book About the National Parks. Palo Alto, 1928.

Allen, Albert Cooper. Crater Lake and Its Legend. Central Point, Oregon, 1958.

Biographical Directory of the American Congress: 1774-1971. Washington, 1971.

Buckland, Gail. First Photographs: People, Places, and Phenomena as Captured for the First Time by the Camera. New York, 1980.

Capitol Who’s Who for Oregon, 1942.