Scope and Contents From the Collection: Collection of Zanzibar Trade Documents contains correspondence, photographs, contracts, and two Arabic manuscript volumes. The material included in this collection is chiefly related to trade and diplomatic relations between the United States and the Sultanate of Zanzibar in the 19th century.Correspondence relates primarily to the trade relationships between Zanzibar officials and Salem-based ship captains. Most pieces of correspondence are in Arabic without English translation....