| C.W. Drees, "Republics of the Plata River," Protestant Missions in South America. New York: Student Volunteer Movement, 1907. Hbk. pp.89-116. |
|
Edward Francis Every [1862-1941], South American Memories of Thirty Years. London: SPCK, 1933. Hbk. pp.210. |
|
Charles Henry Robinson [1861-1925], History of Christian Missions. Edinburgh: T & T Clark, 1915. Hbk. p.422. [This material is in the Public Domain] |