1. Über einige merkwürdige Translationsebenen

   • Heinz Lüneburg

   OriginalPaper Pages: 263 - 288

2. A note on graphs whose neighborhoods are n-cycles

   • Bruce L. Chilton
   • Ronald Gould
   • Albert D. Polimeni

   OriginalPaper Pages: 289 - 294

3. Charakterisierungen endlicher desarguesscher uniformer Hjelmslev-Ebenen

   • Manfred Dugas

   OriginalPaper Pages: 295 - 324

4. Extension of some integral formulas of Chern

   • William J. Firey

   OriginalPaper Pages: 325 - 333

5. Projective planes of type I-4

   • William M. Kantor

   OriginalPaper Pages: 335 - 346

6. Kongruenzen in Brandtschen Gruppoiden

   • Josef Klouda

   OriginalPaper Pages: 347 - 355

7. A construction for projectively unique polytopes

   • M. A. Perles
   • G. C. Shephard

   OriginalPaper Pages: 357 - 363

8. On 4-gonal configurations with parameters r=q ²+1 and k=q+1

   • J. A. Thas

   OriginalPaper Pages: 365 - 375

9. Finiteness of orbit structure for real flag manifolds

   • Joseph A. Wolf

   OriginalPaper Pages: 377 - 384

10. Die Fundamentalbereichstypen der Translationsgruppe p1

    • Wolfgang Wollny

    OriginalPaper Pages: 385 - 397

11. Compact planes of Lenz type III

    • Helmut Salzmann

    OriginalPaper Pages: 399 - 403