1. List Edge and List Total Colourings of Multigraphs
2. and Combinatorial Matrix Theory, Encyclopedia of mathematics and its applications, Vol. 39, Cambridge University Press, 1991.
3. Total colourings of graphs, Graph Colourings, pp. 65-77, and eds., Pitman Research Notes in Mathematics Series, 128, John Wiley and Sons, Harlow, Essex, and New York, 1990.
4. Hall's condition and list colouring, doctoral dissertation, West Virginia University, 1998.