Gardner, W. J., ed. A history of Canterbury. Vol. 2. Christchurch, 1971

Hight, J. & C. R. Straubel, eds. A history of Canterbury. Vol. 1. Christchurch, 1957

Owen, M. C. The Sewells of the Isle of Wight. Manchester, 1906

Sewell, H. The journal of Henry Sewell, 1853–7. Ed. W. D. McIntyre. 2 vols. Christchurch, 1980