Title: al- Marākiz al-tijārīyah al-Lībīyah wa-aʻlāqatuhā maʻa mamālik al-Sūdān al-awsaṭ wa-atharuhā ʻalá al-ḥayāh al-ijtimāʻīyah
Subjects: Central business districts, Foreign relations, History
Places: Libya, Sudan
Time periods: 15th century, 14th century