1. Transitivity of finite linear spaces;Batten,1987
2. L.M. Batten and A. Beutelspacher, The Theory of Finite Linear Spaces: Combinatorics of Points and Lines, Cambridge University Press, to appear.
3. L.M. Batten, J.M.N. Brown and M.J. de Resmini, Steiner systems in finite projective planes, submitted.
4. Design theory;Beth,1986
5. On the orbits of collineation groups;Block;Math. Zeit.,1967