1. Vierdimensionale quadratische Divisionsalgebren über Hilbert-Körpern

   • Lisa Hefendehl

   OriginalPaper Pages: 129 - 152

2. Collineation groups irreducible on the components of a translation plane

   • M. J. Kallaher
   • T. G. Ostrom

   OriginalPaper Pages: 153 - 194

3. Note on affine manifold with parallel volume element

   • Huei-Shyong Lue

   OriginalPaper Pages: 195 - 198

4. Verallgemeinerte Vierecke in pappusschen projektiven Räumen

   • Karl Jakob Dienst

   OriginalPaper Pages: 199 - 206

5. Multiple intersections of diagonals of regular polygons, and related topics

   • J. F. Rigby

   OriginalPaper Pages: 207 - 238

6. Determination of the finite primitive reflection groups over an arbitrary field of characteristic not 2

   • Ascher Wagner

   OriginalPaper Pages: 239 - 253