/usr/share/xfig/Libraries/ERD/README is in xfig-libs 1:3.2.5.c-7.
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1 2 3 4 5 6 7 8 9 | This library contains figures of the traditional Chen's Model Entity-Relation.
You can use, copy of modify the figures under terms of the xfig license.
Created by Al Delgado
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