1. Färbung von Graphen, deren sämtliche bzw. deren ungerade Kreise starr sind;Berge;Wiss. Z. Martin-Luther-Univ. Halle-Wittenberg Math.-Natur. Reihe,1961
2. Graphs and Hypergraphs;Berge,1973
3. C. Berge, The history of the perfect graph conjecture, to appear.
4. On certain polytopes associated with graphs;Chvátal;J. Combinatorial Theory (B),1975
5. On the strong perfect graph conjecture;Chvátal;J. Combinatorial Theory (B),1976