1959b English loanwords and adaptations in Sierra Leone Krio. In Creole Language Studies Number II: Proceedings of the Conference on Creole Language Studies . Le Page, R.B . (Ed.)1–16. London: Macmillan & Co.
1980 African Language Influences in Creoles Lexically Based on Portuguese, English and French, with Special Reference to Casamance Kriul, Gambian Krio and St. Lucian Patwa. M.Phil. dissertation, The School of Oriental and African Studies, University of London.
2010 The concocters: Creating fake Romani culture. InDanger! Educated Gypsy: Selected Essays by Ian Hancock Karanth, Dileep (Ed.): 177–194. Hatfield: The University of Hertfordshire Press.
1940The Sierra Leone Patois, a Study of its Growth and Structure, with Special Reference to the Teaching of English in Sierra Leone. Masters of Education Thesis, Fourah Bay College.