A Symmetric Design with Parameters 2-(49, 16, 5). - Andries E. Brouwer; Henny A. Wilbrink (J. Comb. Theory A, 1984)

A Note on Planar Difference Sets. - Henny A. Wilbrink (J. Comb. Theory A, 1985)

A Class of Graphs Containing the Polar Spaces. - Aart Blokhuis; Ton Kloks; Henny A. Wilbrink (Eur. J. Comb., 1986)

Heden's bound on maximal partial spreads. - Aart Blokhuis; Andries E. Brouwer; Henny A. Wilbrink (Discret. Math., 1989)

Characterization Theorems for Zara Graphs. - Aart Blokhuis; Henny A. Wilbrink (Eur. J. Comb., 1989)

A (49, 16, 3, 6) Strongly Regular Graph Does Not Exist. - Frans C. Bussemaker; Willem H. Haemers; R. Matron; Henny A. Wilbrink (Eur. J. Comb., 1989)

Hermitian unitals are code words. - Aart Blokhuis; Andries E. Brouwer; Henny A. Wilbrink (Discret. Math., 1991)

Characterization of complete exterior sets of conics. - Aart Blokhuis; Ákos Seress; Henny A. Wilbrink (Comb., 1992)

Alternative Proof of Sine's Theorem on the Size of a Regular Polygon in Rn with the lfinite-Metric. - Aart Blokhuis; Henny A. Wilbrink (Discret. Comput. Geom., 1992)

Some 2-ranks. - Andries E. Brouwer; Henny A. Wilbrink; Willem H. Haemers (Discret. Math., 1992)

On the Non-existence of Thas Maximal Arcs in Odd Order Projective Planes. - Aart Blokhuis; Nicholas A. Hamilton; Henny A. Wilbrink (Eur. J. Comb., 1998)