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- William Hartnell: The Hero and His Colleges, by Sean F. Roney.
- Narration of the Distinguished California Matron, Doña Teresa de La Guerra de Hartnell, dictated March 12, 1875 in the Alizal Ranch and checked March 21, of the same month in the same ranch, by Enrique Cerruti.
- Did W.E.P. Hartnell Establish The First College In California?, by Robert B. Johnston.