The Bodleian Libraries, the Weston Library in particular, hold a wide range of key printed journals for African Studies including Journal of Contemporary African History. West Africa, and Review of African Political Economy. To find both printed and electronic journal titles search SOLO, Oxford Libraries' catalogue.
Use Databases A-Z to find journal articles on a country or subject. Key databases for African studies are:
Google Scholar is also an easy way of finding journal articles. See the tips below.