all by later hands, on mount: lower left in graphite: Canterbury; upper left verso in graphite: Exhib / Neg #29 Turner #13 / Ch. Ch. Gate Canterbury / the Street; lower right verso in graphite: 57-PP
(Robert Hershkowitz, Ltd., Sussex, England); purchased with donated funds by NGA, 1997.
- Brettell, Richard R. Paper and Light: The Calotype in France and Great Britain, 1839-1870. Boston, 1984, pl. 82.