Downum, Garland (1977). "The Madagascan Mission to the United States in 1883: Diplomacy and Public Relations". The Historian. 39 (3): 472–489. doi:10.1111/j.1540-6563.1977.tb01198.x.
Woods, Randall B. (1976). "Blackamerica's Challenge to European Colonialism: The Waller Affair, 1891-1895". Journal of Black Studies. 7: 57–77. doi:10.1177/002193477600700105. S2CID145251467.
Woods, Randall B. (1976). "Blackamerica's Challenge to European Colonialism: The Waller Affair, 1891-1895". Journal of Black Studies. 7: 57–77. doi:10.1177/002193477600700105. S2CID145251467.