Books by Ashok Roy
National Gallery Technical Bulletin : Volume 32 : Leonardo da Vinci
Art without the artist
Art without the artist
Artists' Pigments : A Handbook
Artists' Pigments : A Handbook of Their History and Characteristics
Raphael's painting technique
Raphael's painting technique
Fine art through the lens
Fine art through the lens
National Gallery Technical Bulletin: Volume 27
HoNOS-LD
Painting techniques history, m
Painting techniques history, materials and studio practice