 In addition to painting, he probably studied the classics of ancient Greece, and perhaps the Latin classics also; he left a "working library" of 130 volumes at his death, including the Bible in Greek and an annotated Vasari book.Candia was a center for artistic activity where Eastern and Western cultures co-existed harmoniously, where around two hundred painters were active during the 16th century, and had organized a painters' guild, based on the Italian model.In 1563, at the age of twenty-two, El Greco was described in a document as a "master" ("maestro Domenigo"), meaning he was already a master of the guild and presumably operating his own workshop.