... but were there anything of importance left to judge from, we should probably find that it developed in much the same manner as sculpture. Down to 500 B.C. there was little more than outline filled in with flat monochromatic paint and with a decorative effect similar, perhaps, to that of the vase paintings. After that date come the more important names of artists mentioned by the ancient writers. It is difficult to assign these artists to certain periods ... — A Text-Book of the History of Painting • John C. Van Dyke
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