The basic diagram of a geometry -- Linear spaces and steiner systems -- On designs -- Some remarks on representation theory in finite geometry -- Geometry and Loops -- On possible orders of noncommutative tactical spaces -- Mathieu groups, With designs, and Golay codes -- Extending strongly resolvable designs -- Some unitals on 28 points and their embeddings in projective planes of order 9 -- The large with designโ{128}{148}Materialized -- k-difference-cycles and the construction of cyclic t-designs -- Characterization of biplanes by their automorphism groups -- Ein Einfacher Beweis fรผr den Satz von Zsigmondy รผber primitive Primeiler von AN-1 -- On a class of edge-regular graphs -- Geometries uniquely embeddable in projective spaces -- Strong point stable designs