Proctor, JH (2000). "Serving God and the Empire: Mary Slessor in South-Eastern Nigeria, 1876–1915". Journal of Religion in Africa. 30 (1). Brill: 45–61. doi:10.1163/157006600X00483. JSTOR1581622.
Imbua, David Lishilinimle (2013). "Robbing Others to Pay Mary Slessor: Unearthing the Authentic Heroes and Heroines of the Abolition of Twin-Killing in Calabar". African Economic History. 41: 139–158. ISSN0145-2258. JSTOR43863309.
Proctor, JH (2000). "Serving God and the Empire: Mary Slessor in South-Eastern Nigeria, 1876–1915". Journal of Religion in Africa. 30 (1). Brill: 45–61. doi:10.1163/157006600X00483. JSTOR1581622.
maryslessor.org
"Becoming a Missionary". Mary Slessor Foundation.org. Scotland. June 2015. Retrieved 4 May 2022.
Imbua, David Lishilinimle (2013). "Robbing Others to Pay Mary Slessor: Unearthing the Authentic Heroes and Heroines of the Abolition of Twin-Killing in Calabar". African Economic History. 41: 139–158. ISSN0145-2258. JSTOR43863309.