Marie-Laure Derat. Christian Ethiopia and the Patriarchate of Alexandria from the 11th to the 13th century: regional ambitions, political affirmation and religious identities. Christian Africa / Medieval Africa, 300-1600CE, Hutchins Center for African and African American Research, the Committee on Medieval Studies, the Center for African Studies, the Department of African and African American Studies, the Center for the Study of World Religions, and the Harvard University Provostial Fund for the Arts and Humanities, Nov 2017, Harvard University, United States. ⟨hal-03925458⟩