Gunn, M. J. (1911). Print restoration and picture cleaning: An illustrated practical guide to the restoration of all kinds of prints; together with chapters on cleaning water-colours, print "fakes" and their detection, anomalies in print values, and prints to collect. London: Gill.

Gunn, Maurice James. Print Restoration and Picture Cleaning: An Illustrated Practical Guide to the Restoration of All Kinds of Prints; Together With Chapters On Cleaning Water-colours, Print "fakes" and Their Detection, Anomalies in Print Values, and Prints to Collect. London: Gill, 1911.

Gunn, Maurice James. Print Restoration and Picture Cleaning: An Illustrated Practical Guide to the Restoration of All Kinds of Prints; Together With Chapters On Cleaning Water-colours, Print "fakes" and Their Detection, Anomalies in Print Values, and Prints to Collect. London: Gill, 1911.