Cross, H. R., Early Inns of California.
Farquhar, Francis P., History of the Sierra Nevada.
Gudde, Ervin G., Bigler’s Chronicles of the West, U. C. Berkeley 1962.
Haskins, C. W., The Argonauts of California.
Heitzer, Robert F. and Elsasser, Albert B., The Natural World of the California Indians, U. C. Press, Berkeley.
Hoover, Mildred Brooke, Historical Spots in California, Stanford Univ Press, Stanford, Ca.
Hutchings, California Magazine, 1856-1861. R. R. Olmstead, ed., Howell-North, Berkeley, 1962.
Hutchinson, Fred C. and Thomas, Edwin S., The Wrights Lake Story, 1978.
Koop, Joseph M., An Overview of the Ethnography of the Nisenan, 1981.
Schlappi, Jane, Historical Sites of El Dorado County, The Heritage Association, El Dorado County Chamber of Commerce, 1975.
Scott, E. B., Saga of Lake Tahoe, Vol. II.
Sioli, Paolo, History of El Dorado County, Oakland, Ca., 1883.
Storer, Tracy, Sierra Nevada Natural History, U. C. Berkeley, 1963.
Trumbly, Claibourn W., El Dorado County Road History, El Dorado County Roads Dept., 1980.
White, Stewart Edward, The Forty Niners, Yale Chronicles of America Series, 1918.
U. S. Dept. of Agriculture Forest Service Historical Files, Placerville.
Pacific Gas and Electric Company Historical Files, Placerville.
El Dorado Irrigation District Historical Files, Placerville.
El Dorado County Recorders Office files of records and deeds.
El Dorado County Museum records.
The Mountain Democrat newspaper microfilm.
Memories of many of the residents of the area.