Note 40 — White Slavery In The Barbary States. BY CHARLES SUMNER.

Compassion towards Captives, urged in Three Sermons, on Heb. xiii. 3, by Charles Fitz-Geoffrey, 1642. Libertas; or Relief to the English Captives in Algiers, by Henry Robinson, London, 1647. Letters relating to the Redemption of the Captive in Algiers, at Tunis, by Edward Cason Laud, 1647. A Relation of Seven Years' Slavery under the Turks of Algiers, suffered by an English Captive Merchant, with a Description of the Sufferings of the Miserable Captives under that Mercilest Tyranny, by Francis Knight, London, 1640. The last publication is preserved in the Collection of Voyages and Travels by Osborne, vol. ii. pp. 465-489.