Arnott, David W. 1960. The Tense System in Gombe Fula. London: School of Oriental and African Studies.
Caron, Bernard. 1989. "À propos de l''accompliÕ haoussa et des perfecto-présents dans quelques langues d'Afrique de l'Ouest et d'ailleurs." [Regarding the Hausa 'perfect' and the perfecto-presents in some western and other African languages.] Linguistique Africaine 2.55-76.
De Wolf, P. P. 1993. "Manner Propositions as Sources of Grammaticalization for Continuous Aspect Markers in Fula." Frankfurter Afrikanistische Blatter 5.25-38.
De Wolf, Paul P. 1993. "The Fula Particle **on and Its Congeners: Comparative Notes on Their Grammaticalization Processes." Afrikanistische Arbeitspapiere 33.37-59.
Endresen, Rolf Theil. 1995. "Fula Imperfective Forms in A Grammaticalization Perspective." Trondheim Working Papers in Linguistics. Presented 1994 at 2nd Nordic Seminar on African Linguistics.
Noss, Philip A. 1991. "Tense and Aspect in Fulfulde." Afrikanistische Arbeitspapiere 27.43-64.
Vallette, Rene. 1989. "Charting Verbs for Discourse Analysis." Notes on Linguistics 45.8-13.
Zubko, G. V. 1969. "The Tense and Aspect Meaning of the Verb in the Fula Language." [In Russian.] Narody Azii i Afriki: Istorija, Ekonomika, Kul'tura 4.127-36, 254.