Symmetric designs, polarities and sub-designs. - P. H. Fisher; Tim Penttila; Gordon F. Royle (Discret. Math., 1988)

Inversive Planes of Odd Order. - P. H. Fisher; Tim Penttila; Cheryl E. Praeger; Gordon F. Royle (Eur. J. Comb., 1989)

Extending generalized quadrangles. - P. H. Fisher (J. Comb. Theory A, 1989)

Small Extended Generalized Quadrangles. - Peter J. Cameron; P. H. Fisher (Eur. J. Comb., 1990)

One-point Extensions of Polar Spaces. - P. H. Fisher; Tim Penttila (Eur. J. Comb., 1990)

Extended 4 × 4 Grids. - P. H. Fisher (Eur. J. Comb., 1991)

A Note on Almost Partial Geometries. - P. H. Fisher (Eur. J. Comb., 1998)

On Strongly Regular Graphs withmu = 1. - J. Deutsch; P. H. Fisher (Eur. J. Comb., 2001)