World art : themes of unity in diversity. 1989, p. 219-222, 7 ill.
Publisher
Pennsylvania State University Press, University Park, PA (usa)
Publication country
United States
Abstract
(en)
Presents examples 4th-14th cs. of the use of the tetragram--defined here as an emblem drawn with a single line to form four loops which point in the four diagonal directions. Notes especially the classical compass tetragram with an added concentric circle intersecting the semicircles in such a way that the voids within take on the shape of a cross.
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