Dobbs, Chris. "Ferdinand Warren." New Georgia Encyclopedia, last modified Jul 19, 2017. https://www.georgiaencyclopedia.org/articles/arts-culture/ferdinand-warren-1899-1981/
Dobbs, C. (2017). Ferdinand Warren. In New Georgia Encyclopedia. Retrieved Jul 19, 2017, from https://www.georgiaencyclopedia.org/articles/arts-culture/ferdinand-warren-1899-1981/
Dobbs, Chris. "Ferdinand Warren." New Georgia Encyclopedia, 12 January 2017, https://www.georgiaencyclopedia.org/articles/arts-culture/ferdinand-warren-1899-1981/.
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