The Caucasian Chalk Circle
It reworks Brecht's earlier short story "Der Augsburger Kreidekreis . " Both derive from the 14th-century Chinese play "The Chalk Circle" by Li Xingdao . 
<triplet> Der Augsburger Kreidekreis <subj> short story <obj> genre <triplet> The Chalk Circle <subj> Li Xingdao <obj> author