Lindsay, vol. IV, p. 198, note.
John R. Spears, "The Story of the American Merchant Marine," pp. 254-255.
William Wheelwright, of Newburyport, Massachusetts, sometime American consul at Guayaquil.
Winthrop L. Marvin, "The American Merchant Marine," p. 231; also Preble; and Lindsay, vol. IV, pp. 316-330.