“The British and the Trans-Saharan trade”: The Colonial State Policies in Undermining the Trans-Saharan trade in Hausa Land (Northern Nigeria), 1890s–1920s
Vestnik Sankt-Peterburgskogo universiteta. Vostokovedenie i afrikanistika/Vestnik Sankt-Peterburgskogo universiteta. Seriâ 13, Vostokovedenie, afrikanistika