1. , and , Graphs and Digraphs. Prindle, Weber, and Schmidt, Boston (1979).
2. Semi-regular factorizations of regular graphs. In Graphs and Applications, and , Eds., Wiley, New York (1984).
3. Graph Theory. Addison-Wesley, Reading MA (1969).
4. [a, b]-factorization of a graph, unpublished.
5. Subgraphs with prescribed valencies