1. Finite Groups of Automorphisms;Biggs,1971
2. Algebraic graph theory;Biggs,1974
3. N. L. Biggs and A. Gardiner, The classification of distance-transitive graphs, to appear.
4. On trivalent graphs;Biggs;Bull. London Math. Soc.,1971
5. A. Gardiner, Imprimitive distance-regular graphs and projective planes, to appear.