Encyclopedia Entries

[2020] “Nigeria”.In Wells, Karen (ed.). Teen Lives around the World [2 volumes]: A Global Encyclopedia. Vol 1 - Australia to Nigeria, pp. 329-340. Santa Barbara, California: ABC-CLIO.
[2019] Hausa Popular Music (Northern Nigeria, pp. 168-178), Hip-Hop in Nigeria (Hausa Rap, pp. 258-260). In David Horn, John Shepherd, Gabrielle Kielich, and Heidi Feldman (eds.) Bloomsbury Encyclopedia of Popular Music of the World, Volume 12: Genres: Sub-Saharan Africa. New York: Bloomsbury.
[2018] Hausa Language and Literature. In Thomas Spear (Ed.). Oxford Bibliographies in African Studies. New York: Oxford University Press. DOI: 10.1093/OBO/9780199846733-0202.
[2009] Maitatsine. [with Allan Christelow] in John L. Esposito (ed.): The Oxford Encyclopedia of the Islamic World. 6 Bde. Oxford 2009. Bd. III, S. 459-462.