Here are some more recent publications on Lusophone Africa. I did some catching up and online searching for chapters in edited collections, items that are sometimes more difficult to locate.
Remember to let me know about your own publications, email@example.com.
Linda M. Heywood, Njinga of Angola: Africa's warrior queen (Cambridge, Mass.: Harvard University Press, 2017). http://www.hup.harvard.edu/catalog.php?isbn=9780674971820