Eben-ezer, or, A small monument of great mercy : appearing in the miraculous deliverance of William Okeley, William Adams, John Anthony, John Jephs, John -- Carpenter from the miserable slavery of Algiers : with the wonderful means of their escape in a boat of canvas, the great distress and utmost extremities which they endured at sea for six days ... and the following providences of God which brought them safe from England /