Missionaries
| Ruth M. Brend & Kenneth I. Pike, eds., The Summer Institute of Linguistics: Its Work and Contributions. 1977. | |
| Anna Marie Dahlquist, Trailblazers for Translators: The Chichicastenana Twelve. 1995. | |
| James Hefley & Marti Hefley, Uncle Cam. 1975. | |
William A. Smalley, "Townsend, William Cameron," Gerald H. Anderson, ed., Biographical Dictionary of Christian Missions. Grand Rapids, MI: Cambridge, UK: Eerdmans, 1988. Pbk. ISBN: 0802846807. p.677. |
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| Hugh Stevens, Wycliffe in the Making: The Memoirs of W. Cameron Townsend, 1920-33. 1995. |