An upper bound for the k-domination number of a graph. - Ernest J. Cockayne; B. Gamble; F. Bruce Shepherd (J. Graph Theory, 1985)

Domination parameters for the bishops graph. - Ernest J. Cockayne; B. Gamble; F. Bruce Shepherd (Discret. Math., 1986)

Right angle free subsets in the plane. - B. Gamble; William R. Pulleyblank; Bruce A. Reed; F. Bruce Shepherd (Graphs Comb., 1995)