Historical dictionary of the Republics of Guinea-Bissau and Cape Verde

Historical dictionary of the Republic of Cape Verde

Historical Dictionary of Ancient Nubia

African insurgencies

Libya

Global security watch- - Sudan

Historical Dictionary of the Republic of Cape Verde (African Historical Dictionaries/Historical Dictionaries of Africa)

Historical Dictionary of Ancient and Medieval Nubia (Historical Dictionaries of Ancient Civilizations and Historical Eras)

Cape Verde

Historical Dictionary of Medieval Christian Nubia

Darfur Genocide