Polychromy -- Congresses : Historical painting techniques, materials, and studio practice : preprints of a symposium, University of Leiden, the Netherlands, 26-29 June, 1995 / edited by Arie Wallert, Erma Hermens, and Marja Peek
Polychromy -- Rome -- Congresses : New studies on the portrait of Caligula in the Virginia Museum of Fine Arts / edited by Peter J.M. Schertz, Bernard Frischer