Publications in the Precolonial category Click on any of the publications below to find out more about them, or to purchase PDF copies. Kongo Interpreters, Traveling Priests, and Political Leaders in the Kongo Kingdom (15th–19th Century) IJAHS 49, by Inge Brinkman, pp. 255—276 p. (2016) Precolonial Commerce in Northeastern Sierra Leone, WP 10, by C. Magbaily Fyle, (1979)