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Monographs Excavations in the civic and cultural center of classical Athens began in 1931 and have continued almost without interruption to the present day. The first Athenian Agora volumes presenting ... An introductory essay discusses the various purposes the horoi served, whether as markers of actual boundaries or private records of security for debt. ... Chapter Three presents the groups in which most of them were found; their distribution is indicated on a plan of the excavation area. ... The two introductory sections serve as a useful overview for the entire state of knowledge of Attic red-figure painting.