Q

Quality and texture, variety in, [189]

R

Radiating lines, [171]

"Rape of Europa, The," Paul Veronese's, [163]

Raphael, [53], [231]

Red rays, [39], [192], [278]

Reed pens, [283]

Rembrandt and his colours, [31], [204], [208]

Reproduction, advantages of up-to-date, [104], [269]