Aigner, Combinatorial Theory (old)
Berge, Hypergraphs
Bjorner/LasVergnas/Sturmfels/White/Ziegler, Oriented Matroids
Bonin/Oxley/Servatius, Matroid Theory
Cook/Cunningham/Pulleyblank/Schrijver, Combinatorial Optimization
Cornuejols, Combinatorial Optimization: Packing and Covering
Korte/Lovasz/Schrijver, Greedoids
Oxley, Matroid Theory
Papadimitriou/Steiglitz, Combinatorial Optimization
Schrijver, Theory of Linear and Integer Programming
Scheinerman/Ullman, Fractional Graph Theory
Welsh, Matroid Theory
White, Theory of Matroids