Gum bichromate working methods
Peter J. Black burn is showing how he works with the gum process: Getting Up Front and Personal with Gum Printing.
The 19th century gum bichromate process in 21st century concept and techniques
Christina Z. Anderson gives us the "why and how" of the gum process, including making negatives.
Silvergum – gum over silver gelatin
Denise Ross explains how to print gum bichromates over handcrafted silver gelatin paper.
