Title: Storia di Mar Yahballaha e di Rabban Sauma
Subjects: Church of the East, Patriarchs and patriarchate, Travel, Ambassadors, Biography, History, Nestorian Church
Places: Iran, Mongolia
People: Yabhalāhā III Patriarch of the Church of the East (1245-1317), Ṣâumā Rabban (d. 1293?)