1. Färbung von Graphen, deren sämtliche bzw. deren ungerade Kreise starr sind;Berge,1961
2. Graphes et Hypergraphes;Berge,1970
3. Anti-blocking polyhedra;Fulkerson;J. Comb. Th.,1972
4. Blocking and anti-blocking pairs of polyhedra;Fulkerson;Math. Prog.,1971
5. D. R. Fulkerson, The perfect graph conjecture and pluperfect graph theorem, Proceedings of the Second Chapel Hill Conference on Combinatorial Mathematics (1971).